Network & Infrastructure Security
Top Stories
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Tip
15 Jul 2026
Why CISOs should use zero-trust security for IoT
IoT devices have significant business benefits but also open enterprises to escalating security risks. Discover why zero trust is the most practical way to secure IoT. Continue Reading
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Feature
01 Jul 2026
TLS certificate lifetime changes: What CISOs must do now
TLS certificates now expire after 200 days. That window will soon narrow to 100 days and eventually to 47. Is your organization ready? Continue Reading
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Answer
26 Jul 2019
How can endpoint security features help combat modern threats?
The antivirus of yesteryear isn't a strong enough competitor to beat modern enterprise threats. Learn about the endpoint security features ready to tackle these battles head-on. Continue Reading
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Feature
18 Jul 2019
5 best practices to choose the right email security software
Examine the five best practices and most important criteria for evaluating email security software products and deploying them in your enterprise. Continue Reading
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Tip
24 Jun 2019
4 steps to critical infrastructure protection readiness
Government and private industry share responsibility for critical infrastructure and key resources protection. Follow four steps to understand and know who you're gonna call to protect CIKR. Continue Reading
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Tip
24 Jun 2019
The case for continuous security monitoring
When done correctly, continuous security monitoring provides real-time visibility into an organization's IT environment. Here are the best practices for building a CSM program. Continue Reading
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Tip
19 Jun 2019
What holistic network security tools offer an organization
Tools that provide a holistic approach to monitoring the IT infrastructure come in a variety of configurations and delivery models. Learn what's available. Continue Reading
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News
19 Jun 2019
Fortinet launches new WAN and edge security platform
Fortinet's Secure SD-Branch platform uses Fortinet security products to converge WAN and security into an integrated platform and protect access edges. Continue Reading
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Answer
10 Jun 2019
What is MTA-STS and how will it improve email security?
Discover how the MTA-STS specification will improve email security by encrypting messages and enabling secure, authenticated email transfers between SMTP servers. Continue Reading
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News
31 May 2019
New Sophos endpoint security software releases
Sophos has released Intercept X for Server with endpoint detection and response to protect users against blended threats and proactively detect stealthy attacks. Continue Reading
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News
29 May 2019
Tortuga launches Radix-M, new firmware security product
Tortuga Logic has launched a firmware security platform that automatically performs security validation of firmware on SoC designs using an existing platform from Cadence. Continue Reading
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Report
24 May 2019
Using virtual appliances for offload is a key encryption strategy
Using a virtual appliance to process traffic is a key encryption strategy enterprises can use to improve throughput. The results are striking Continue Reading
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Tip
17 May 2019
Endpoint security tools get an essential upgrade
Malware, APTs and other threats are getting smarter, but so are endpoint detection and response products. Learn what the latest versions can do to keep threats away. Continue Reading
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Feature
14 May 2019
6 firewall selection criteria to purchase NGFWs
These six key factors will help your company determine the best NGFW product for your organization's needs. Continue Reading
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Feature
13 May 2019
Next-generation firewall comparison based on company needs
Compare leading next-generation firewalls to help find the option that best fits your IT environment and security needs. Continue Reading
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Feature
08 May 2019
Next-generation firewalls vs. traditional and UTMs
Learn the advantages of next-generation firewalls that protect enterprise networks from attacks and intrusion, as well as the differences between NGFWs and traditional firewalls. Continue Reading
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Feature
30 Apr 2019
Inside 'Master134': Ad networks' 'blind eye' threatens enterprises
Online ad networks linked to the Master134 malvertising campaign and other malicious activity often evade serious fallout and continue to operate unabated. Continue Reading
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Tip
23 Apr 2019
How to build a strong cloud network security strategy
Building a secure network in the cloud is different from securing a traditional network. Learn what the main differences are and how to establish cloud networking security. Continue Reading
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Feature
23 Apr 2019
10 endpoint security products to protect your business
Check out this product roundup and discover all the features endpoint security protection offers, such as patch management, email protection and reporting. Continue Reading
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News
22 Apr 2019
IoT device testing made possible with BeStorm X
BeStorm X, a black-box fuzzer by Beyond Security and Ubiquitous AI, tests IoT devices to identify security weaknesses and vulnerabilities before they're exploited. Continue Reading
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Tip
12 Apr 2019
Top 5 reasons for a zero-trust approach to network security
As network perimeters disintegrate and enterprises adopt cloud computing, discover the top reasons organizations are opting for a zero-trust approach to network security. Continue Reading
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News
10 Apr 2019
Nokia: 5G network slicing could be a boon for security
According to Nokia's Kevin McNamee, the rise of 5G will mean more danger of IoT botnets, but also more options to secure those devices -- including using network slicing for segmentation. Continue Reading
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Feature
28 Mar 2019
Symantec Web Security Service vs. Zscaler Internet Access
Learn how cloud-based secure web gateway products Symantec Web Security Service and Zscaler Internet Access compare when it comes to features, benefits, pricing and support. Continue Reading
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Tip
27 Mar 2019
How to secure network devices in a hostile world
Find out how to secure network devices by locking down the biggest, riskiest holes to protect them from exploits long before some or all of the network crashes. Continue Reading
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Tip
21 Mar 2019
8 ways to protect building management systems
Security threats to building management systems can come from numerous sources. Expert Ernie Hayden outlines these potential threats and how to protect against them. Continue Reading
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Tip
19 Mar 2019
An introduction to building management system vulnerabilities
Understanding what a building management system is and does is important for organizations to have stronger security postures. Expert Ernie Hayden examines the BMS and its flaws. Continue Reading
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Feature
18 Mar 2019
Find the right tool using this antimalware software comparison
Compare endpoint antimalware software products for organizations based on features, level of protection and vendor offerings. Continue Reading
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Tip
14 Mar 2019
Nine email security features to help prevent phishing attacks
Check out nine email security features that can help protect you from phishing attacks. First, make sure they're enabled on your email system configuration, and if not, start your wish list. Continue Reading
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News
08 Mar 2019
VMware firewall strategy to focus on 'known good' behavior
VMware is taking a different approach to firewalls by focusing on 'known good' behavior to better police east-west traffic within enterprise environments. Continue Reading
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News
07 Mar 2019
Microsoft promotes zero-trust security over firewalls
Microsoft told RSA Conference attendees a zero-trust model is better than firewalls for protecting corporate data -- a stance that some said doesn't go far enough. Continue Reading
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News
26 Feb 2019
Eclypsium: Bare-metal cloud servers vulnerable to firmware attacks
Eclypsium found IBM SoftLayer cloud services are vulnerable to what it calls Cloudborne, which allows threat actors to make small, but potentially deadly firmware changes. Continue Reading
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News
26 Feb 2019
Android brings FIDO2 certification to 1 billion devices
The FIDO Alliance announced Android has received FIDO2 certification, which will bring the ability to sign into websites and apps with biometrics, rather than passwords. Continue Reading
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News
19 Feb 2019
Palo Alto Networks to acquire SOAR vendor Demisto
Palo Alto Networks announced its plan of acquiring SOAR vendor Demisto for $560 million to accelerate its Application Framework strategy and beef up security operations automation. Continue Reading
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Tip
18 Feb 2019
How to deploy deep packet inspection in the cloud
Despite privacy concerns about deep packet inspection, it can help improve cloud network security for enterprises. Expert Frank Siemons explains how to avoid potential pitfalls. Continue Reading
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News
31 Jan 2019
Dell unveils endpoint security portfolio with CrowdStrike, Secureworks
Dell has teamed up with CrowdStrike and Secureworks for SafeGuard and Response, a portfolio of endpoint security technology and services, to tackle the shifting threat landscape. Continue Reading
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Tip
29 Jan 2019
How a Windows antimalware tool helps endpoint security
The Windows Defender Antivirus program was updated to include sandbox network security. Learn why this is so important and why security professionals have been asking for it. Continue Reading
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Answer
28 Jan 2019
Will DNS Flag Day affect you? Infoblox's Cricket Liu explains
What is DNS Flag Day? That's when old and broken DNS servers will stop working, improving DNS performance and safety for all. Infoblox's chief DNS architect Cricket Liu explains. Continue Reading
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Feature
25 Jan 2019
Infoblox's Cricket Liu explains DNS over HTTPS security issues
Cricket Liu, chief DNS architect at Infoblox, explains how DNS over HTTPS and DNS over TLS improve security, as well as challenges the new protocols may soon raise for enterprises. Continue Reading
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Answer
23 Jan 2019
How does cross-site tracking increase security risks?
Mozilla's Firefox 63 automatically blocks tracking cookies and other site data from cross-site tracking. Learn what this is and what the benefits of blocking it are with Nick Lewis. Continue Reading
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Podcast
16 Jan 2019
Risk & Repeat: Expired certificates loom amid government shutdown
This week's Risk & Repeat podcast looks at the expiration of more than 80 TLS certificates for U.S. government websites amid the ongoing government shutdown. Continue Reading
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Answer
16 Jan 2019
Network shaping: How does it enable BGP attacks to divert data?
The use of BGPsec protocols was found after looking into threat actors in China that controlled U.S. internet traffic. Discover how this technique works and how it can be mitigated. Continue Reading
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Tip
15 Jan 2019
Updating TLS? Use cryptographic entropy for more secure keys
Cryptographic entropy is necessary to secure session encryption keys in TLS 1.2, but RSA key transport is not supported in TLS 1.3. Discover the causes for concern with Judith Myerson. Continue Reading
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Tip
02 Jan 2019
The pros and cons of proxy-based security in the cloud
Is proxy-based security in the cloud right for you? Expert Ed Moyle looks at the benefits and drawbacks of using proxies for Office 365 and other cloud platforms. Continue Reading
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News
27 Dec 2018
NPM security to use automated tools to boost community alerts
Adam Baldwin, director of security for NPM, talks chains of trust and new NPM security initiatives that will bring automated alerts to help highlight potentially malicious activity. Continue Reading
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Tip
26 Dec 2018
How to apply cloud security controls in the network
Implementing cloud security controls in the network requires a careful balance between protecting points of connectivity while still making it easy for users to access services. Continue Reading
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Feature
20 Dec 2018
Security, compliance standards help mitigate BIOS security vulnerabilities
Cybersecurity vulnerabilities associated with PCs often overlook BIOS. Read for strategies to offset these threats and for preventing unauthorized BIOS modifications. Continue Reading
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Tip
19 Dec 2018
The benefits of using a cloud honeypot for threat intelligence
A cloud honeypot can help enterprises gather threat intelligence. Expert Frank Siemons explains why a cloud-based honeypot deployment is preferable to a traditional one. Continue Reading
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Tip
18 Dec 2018
How to ensure your enterprise doesn't have compromised hardware
Enterprise protections are crucial in order to guarantee the safety of your hardware. Discover best practices to guard your enterprise's hardware with Nick Lewis. Continue Reading
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Answer
12 Dec 2018
Faxploit: How can sending a fax compromise a network?
Check Point researchers found a fax machine attack allowing attackers to access scanned documents. Discover how this is possible and how users can avoid falling victim. Continue Reading
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Answer
10 Dec 2018
L1TF: How do new vulnerabilities affect Intel processors?
New speculative execution vulnerabilities have been found affecting Intel processors. Learn how these flaws can lead to side-channel attacks with Judith Myerson. Continue Reading
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Feature
05 Dec 2018
Testing email security products: Results and analysis
Kevin Tolly of the Tolly Group offers a look at how his company set out to test several email security products and the challenges it faced to come up with sound methodologies. Continue Reading
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Answer
05 Dec 2018
How does TLS 1.3 differ from TLS 1.2?
Compared to TLS 1.2, TLS 1.3 saw improvements in security, performance and privacy. Learn how TLS 1.3 eliminated vulnerabilities using cryptographic algorithms. Continue Reading
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Opinion
03 Dec 2018
Marcus Ranum: Systems administration is in the 'crosshairs'
After years of spirited debates and top-notch interviews, columnist Marcus Ranum is signing (sounding?) off with some final thoughts on the future of security. Continue Reading
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Infographic
03 Dec 2018
Still no answers to endpoint security protection, survey finds
The frequency of endpoint attacks is on the rise, with 76% of IT security professionals reporting that their organization was compromised by new or zero-day (unknown) exploits. Continue Reading
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News
30 Nov 2018
Spectre v2 mitigation causes significant slowdown on Linux 4.20
News roundup: A Spectre v2 mitigation causes significant performance slowdowns in Linux 4.20. Plus, Dell had to reset user passwords after a data breach, and more. Continue Reading
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Feature
30 Nov 2018
Testing email security products: Challenges and methodologies
Kevin Tolly of the Tolly Group offers a look at how his company set out to test several email security products, as well as the challenges it faced to come up with sound methodologies. Continue Reading
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Tip
29 Nov 2018
Is network traffic monitoring still relevant today?
An increase in DNS protocol variants has led to a higher demand for network traffic monitoring. The SANS Institute's Johannes Ullrich explains what this means for enterprises. Continue Reading
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Tip
21 Nov 2018
How to configure a vTAP for cloud networks
A vTAP can give enterprises better visibility into their cloud networks. Expert Frank Siemons of InfoSec Institute explains how virtual network TAPs work and the available options. Continue Reading
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Tip
15 Nov 2018
How to configure browsers to avoid web cache poisoning
Web cache poisoning poses a serious threat to web browser security. Learn how hackers can exploit unkeyed inputs for malicious use with expert Michael Cobb. Continue Reading
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Answer
13 Nov 2018
How does the Mylobot botnet differ from a typical botnet?
The new Mylobot botnet demonstrated new, complex tools and techniques that are modifying botnet attacks. Learn how this botnet differs from a typical botnet with Nick Lewis. Continue Reading
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News
06 Nov 2018
Latest Symantec acquisitions target endpoint security
Endpoint security startups Appthority and Javelin Networks are the latest Symantec acquisitions as the cybersecurity giant aims to improve its endpoint protection product. Continue Reading
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News
31 Oct 2018
The first sandboxed antivirus is Windows Defender
Microsoft created the first sandboxed antivirus solution in its latest Insider version of Windows Defender for Windows 10, moving proactively to harden the product against attacks. Continue Reading
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Tip
31 Oct 2018
What Microsoft's InPrivate Desktop feature could mean for enterprises
Microsoft's secretive, potential new feature InPrivate Desktop could give security teams access to disposable sandboxes. Expert Ed Moyle explains how the feature could work. Continue Reading
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Tip
25 Oct 2018
How to protect enterprise ICS networks with firewalls
ICS network security can be improved using firewalls. Expert Ernie Hayden explains how ICS-specific firewalls can help keep ICS networks strong and protected. Continue Reading
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Tip
24 Oct 2018
Guide to identifying and preventing OSI model security risks: Layers 4 to 7
Each layer of the Open Systems Interconnection presents unique vulnerabilities that could move to other layers if not properly monitored. Here's how to establish risk mitigation strategies for OSI layer security in Layers 4 through 7. Continue Reading
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Answer
23 Oct 2018
How do newly found flaws affect robot controllers?
Several vulnerabilities were found in controllers made by Universal Robots. Discover what these controllers are used for and how threat actors can exploit these vulnerabilities. Continue Reading
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Answer
22 Oct 2018
What are DMARC records and can they improve email security?
Last year, the U.S. federal government mandated that by October 2018, all agencies must have DMARC policies in place. Learn how complicated this requirement is with Judith Myerson. Continue Reading
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Answer
19 Oct 2018
Removable storage devices: Why are companies banning them?
IBM banned removable storage devices to encourage employees to use the company's internal file-sharing system. Learn how a ban like this can improve enterprise security. Continue Reading
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News
18 Oct 2018
New libSSH vulnerability gives root access to servers
A 4-year-old libSSH vulnerability can allow attackers to easily log in to servers with full administrative control, but it is still unclear exactly how many devices are at risk. Continue Reading
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Answer
18 Oct 2018
How does the resurgent VPNFilter botnet target victims?
After a comeback of the Russian-built VPNFilter botnet, home network devices are at risk. Learn how this malware targets victims with expert Nick Lewis. Continue Reading
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Answer
11 Oct 2018
How did Netflix phishing attacks use legitimate TLS certificates?
Hackers can imitate the design and domain name of popular sites like Netflix to steal credentials. Expert Michael Cobb explains how these Netflix phishing attacks work. Continue Reading
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Answer
10 Oct 2018
How do hackers use legitimate admin tools to compromise networks?
Hackers use legitimate admin tools to exfiltrate data in living off the land attacks that are hard to detect. Learn about this cyberattack tactic from expert Michael Cobb. Continue Reading
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News
28 Sep 2018
Alphabet's Chronicle launches VirusTotal Enterprise
VirusTotal has a new look, thanks to Alphabet's Chronicle, including new enterprise features for faster malware searches, as well as the ability to keep submitted data private. Continue Reading
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Answer
20 Sep 2018
Secure encrypted virtualization: How is this technology exploited?
Researchers claim to have found a new attack against VMs that affects SEV technology. Expert Judith Myerson explains what this attack is and how it can be exploited. Continue Reading
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Answer
19 Sep 2018
WPA3 protocol: Should enterprises implement the changes?
The Wi-Fi Alliance released the updated WPA3 protocol, adding security enhancements to the Wi-Fi access process. Learn why enterprises should update with Judith Myerson. Continue Reading
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Answer
18 Sep 2018
What is VPNFilter malware and how can users protect themselves?
A new threat named VPNFilter was discovered by cybersecurity researchers after home and office routers were compromised. Learn how this malware works with Judith Myerson. Continue Reading
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Tip
12 Sep 2018
SaaS platform security: The challenges of cloud network security
Organizations have the necessary tools to protect data stored and processed in IaaS platforms. Learn why SaaS platform security remains a challenge from expert Rob Shapland. Continue Reading
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Answer
12 Sep 2018
How does Android Protected Confirmation provide security for users?
Android P integrates Android Protected Confirmation, which provides sufficient trust in the authentication process. Learn more about this new feature with expert Michael Cobb. Continue Reading
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News
07 Sep 2018
Misconfigured Tor sites leave public IP addresses exposed
The anonymity of Tor is once again under scrutiny, as a researcher finds misconfigured Tor sites can expose the public IP address connected to a dark web site. Continue Reading
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Tip
06 Sep 2018
How the STARTTLS Everywhere initiative will affect surveillance
The EFF's STARTTLS Everywhere initiative encrypts email during delivery and aims to prevent mass email surveillance. Expert Michael Cobb explains how STARTTLS works. Continue Reading
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Tip
23 Aug 2018
Network reconnaissance: How to use SI6 Networks' IPv6 toolkit
SI6 Networks' IPv6 toolkit can do network reconnaissance using search engines and the Certificate Transparency framework. Learn how to use IPv6 toolkits from expert Fernando Gont. Continue Reading
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Answer
22 Aug 2018
My Cloud EX2: How can this device expose unauthorized data?
SpiderLabs discovered My Cloud EX2 backup devices exposing unauthorized HTTP requests. Join Judith Myerson as she explains how this happens, as well as the impact on DLNA devices. Continue Reading
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Answer
21 Aug 2018
LG network: How can attackers use preauthenticated commands?
A vulnerability was found in the LG network involving remote preauthenticated commands. Learn how researchers created a malicious password to show how it issue can be abused. Continue Reading
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Answer
20 Aug 2018
How does an IMSI catcher exploit SS7 vulnerabilities?
A warning was issued by the Department of Homeland Security regarding the exploitation of SS7 vulnerabilities by IMSI catchers. Learn how this puts mobile communication at risk. Continue Reading
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News
17 Aug 2018
ICS security fails the Black Hat test
Industrial control systems hit the mainstream at Black Hat this year, with over two dozen program sessions tackling different angles of the subject. The takeaway: Vendors still aren't really trying. Continue Reading
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News
16 Aug 2018
Finalized TLS 1.3 update has been published at last
The finalized TLS 1.3 update has been published after a four-year process. The new protocol promises to be faster and more secure than its predecessor, TLS 1.2. Continue Reading
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Answer
08 Aug 2018
How do SDKs for ad networks cause data leaks?
SDKs made user data susceptible to security vulnerabilities in mobile apps. Expert Michael Cobb explains how this security vulnerability put user data at risk. Continue Reading
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Tip
07 Aug 2018
What to do when IPv4 and IPv6 policies disagree
Unfortunately for enterprises, IPv4 and IPv6 policies don't always agree. Fernando Gont examines the differences between these two security policies, as well as some filtering rules. Continue Reading
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Answer
07 Aug 2018
What does the expansion of MANRS mean for BGP security?
The Internet Society expanded MANRS to crack down on BGP security. Expert Michael Cobb explains what MANRS is and its implications for BGP server security. Continue Reading
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Quiz
31 Jul 2018
Test your knowledge of secure software architecture
Domain 4 of the CCSP exam covers the fundamentals of cloud application security. Take this practice quiz to see how well you've absorbed key concepts and vocabulary. Continue Reading
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News
27 Jul 2018
Cybersecurity and physical security: Key for 'smart' venues
With sustainability being a huge driver of modern business development, protecting consumers' cyber- and physical security is an essential element when designing smart cities and venues. Continue Reading
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Answer
27 Jul 2018
Powerhammering: Can a power cable be used in air-gapped attacks?
Air-gapped computers subject to PowerHammer attack: Proof-of-concept attack enables data exfiltration through control of current flow over power cables. Continue Reading
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News
19 Jul 2018
NSS Labs ranks next-gen firewalls, with some surprises
Researchers used individual test reports and comparison data to determine the value of investments in next-generation firewall technology. Continue Reading
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Feature
19 Jul 2018
Security in Network Functions Virtualization
In this excerpt of chapter 4 of Security in Network Functions Virtualization, authors Zonghua Zhang and Ahmed Meddahi discuss Identity and Access Management in NFV. Continue Reading
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Feature
19 Jul 2018
Port Cybersecurity
In this excerpt from chapter 3 of Port Cybersecurity, author Nineta Polemi discusses Security of Ports' Critical Information Infrastructures. Continue Reading
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Answer
11 Jul 2018
What are the implications of DNS over HTTPS for privacy?
With enterprises testing DNS over HTTPS to encrypt domain name traffic, some fear the potential privacy issues. Discover the challenges and benefits of the new protocol. Continue Reading
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Tip
10 Jul 2018
Common security oversights within an AWS environment
There's often an assumption that AWS systems can't be tested, as they're hosted in the cloud; however, this is not the case. Discover common security oversights in AWS environments. Continue Reading
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News
26 Jun 2018
New WPA3 security protocol simplifies logins, secures IoT
Latest WPA3 security protocol update adds new features to the Wi-Fi access specification for simple and secure wireless access for individuals, as well as enterprises. Continue Reading
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Tip
14 Jun 2018
How to use the OODA loop to improve network security
The OODA loop can be used to establish cyber deception against hackers to improve network security. Learn the OODA steps and how they can be applied to security with Kevin Fiscus. Continue Reading
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Tip
07 Jun 2018
AI and machine learning in network security advance detection
Applying AI, and specifically machine learning, in network security helps protect enterprises against advanced persistent threats and sophisticated cybercriminals. Continue Reading
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Tip
07 Jun 2018
How lattice-based cryptography will improve encryption
As the prospect of quantum computing-based attacks grows, the need for stronger encryption increases. Expert Michael Cobb discusses lattice-based cryptography as an option. Continue Reading
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Tip
30 May 2018
Cloud endpoint security: Balance the risks with the rewards
While cloud endpoint security products, such as antivirus software, provide users with many benefits, the cloud connection also introduces risks. Expert Frank Siemons explains. Continue Reading