Threat detection and response
Just as malicious actors' threats and attack techniques evolve, so too must enterprise threat detection and response tools and procedures. From real-time monitoring and network forensics to IDS/IPS, NDR and XDR, SIEM and SOAR, read up on detection and response tools, systems and services.
Top Stories
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Conference Coverage
16 May 2025
RSAC Conference 2025
Follow SearchSecurity's RSAC 2025 guide for insightful pre-conference insights and reports on notable presentations and breaking news at the world's biggest infosec event. Continue Reading
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Tutorial
07 May 2025
How to use arpwatch to monitor network changes
The arpwatch utility flags administrators in the event of any unexpected changes or unauthorized devices, which could signal ARP spoofing or credential-harvesting attacks. Continue Reading
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Definition
26 Jan 2024
digital forensics and incident response (DFIR)
Digital forensics and incident response (DFIR) is a combined set of cybersecurity operations that incident response teams use to detect, investigate and respond to cybersecurity events. Continue Reading
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News
25 Jan 2024
HPE breached by Russian APT behind Microsoft hack
HPE suspects that Cozy Bear, a Russian state-sponsored threat actor also known as Midnight Blizzard and Nobelium, breached its network twice in 2020. Continue Reading
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Feature
25 Jan 2024
Top benefits and challenges of SOAR tools
To ensure successful adoption, IT leaders need to understand the benefits of SOAR tools, as well as potential disadvantages. Explore pros, cons and how to measure SOAR success. Continue Reading
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Tip
24 Jan 2024
The 9 best incident response metrics and how to use them
To solve a problem, one first has to know it exists. In incident response, that means knowing how long it takes to respond to and remediate threats, using these key metrics. Continue Reading
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News
23 Jan 2024
Attacks begin on critical Atlassian Confluence vulnerability
Exploitation activity for CVE-2023-22527 marks the third time in four months that a critical Atlassian Confluence flaw has gained threat actors' attention. Continue Reading
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News
22 Jan 2024
Microsoft breached by Russian APT behind SolarWinds attack
Several email accounts belonging to Microsoft senior leadership were accessed as part of the breach, though Microsoft found 'no evidence' of customer environments being accessed. Continue Reading
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News
19 Jan 2024
Chinese threat group exploited VMware vulnerability in 2021
After VMware confirmed that CVE-2023-34048 had been exploited, Mandiant attributed the activity to a China-nexus threat group and revealed that exploitation began in late 2021. Continue Reading
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Tip
17 Jan 2024
How to conduct incident response tabletop exercises
Have an incident response plan but aren't running incident response tabletop exercises? These simulations are key to knowing if your plan will work during an actual security event. Continue Reading
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Feature
17 Jan 2024
How to create a CSIRT: 10 best practices
The time to organize and train a CSIRT is long before a security incident occurs. Certain steps should be followed to create an effective, cross-functional team. Continue Reading
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Tip
17 Jan 2024
Incident management vs. incident response explained
While even many seasoned cybersecurity leaders use the terms 'incident management' and 'incident response' interchangeably, they aren't technically synonymous. Continue Reading
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Tip
17 Jan 2024
Top 6 SOAR use cases to implement in enterprise SOCs
Automating basic SOC workflows with SOAR can improve an organization's security posture. Explore six SOAR use cases to streamline SOC processes and augment human analysts. Continue Reading
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News
16 Jan 2024
Ivanti zero-day flaws under 'widespread' exploitation
Volexity confirmed that multiple threat actors have exploited two critical Ivanti zero-day vulnerabilities, with 1,700 devices compromised so far. Continue Reading
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Tip
16 Jan 2024
13 incident response best practices for your organization
An incident response program ensures security events are addressed quickly and effectively as soon as they occur. These best practices can help get your organization on track fast. Continue Reading
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News
11 Jan 2024
Ivanti confirms 2 zero-day vulnerabilities are under attack
Volexity reported the vulnerabilities to Ivanti after discovering that suspected Chinese nation-state threat actors created an exploit chain to achieve remote code execution. Continue Reading
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News
10 Jan 2024
Ransomware prevention a focus for storage stewards in 2024
In 2024, generative AI and machine learning, along with employee education, are important tools to prevent the spread of ransomware throughout the enterprise. Continue Reading
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News
09 Jan 2024
Amsterdam arrest leads to Babuk Tortilla ransomware decryptor
A joint effort by Cisco Talos, Avast and Dutch law enforcement results in an all-encompassing Babuk ransomware recovery key and the arrest of a threat actor. Continue Reading
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Definition
09 Jan 2024
sandbox
A sandbox is an isolated testing environment that enables users to run programs or open files without affecting the application, system or platform on which they run. Continue Reading
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Feature
09 Jan 2024
Top incident response tools: How to choose and use them
The OODA loop helps organizations throughout the incident response process, giving insight into the incident response tools needed to detect and respond to security events. Continue Reading
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Feature
04 Jan 2024
10 of the biggest zero-day attacks of 2023
There were many zero-day vulnerabilities exploited in the wild in 2023. Here's a look at 10 of the most notable and damaging zero-day attacks last year. Continue Reading
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News
27 Dec 2023
Another Barracuda ESG zero-day flaw exploited in the wild
On Christmas Eve, Barracuda disclosed that a China-nexus threat actor had resumed attacks against its Email Security Gateway appliance using a new zero-day vulnerability. Continue Reading
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News
19 Dec 2023
FBI leads Alphv/BlackCat takedown, decrypts victims' data
The latest law enforcement effort to halt the surge of ransomware attacks was successful in disrupting one of the most active ransomware-as-a-service groups. Continue Reading
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Definition
19 Dec 2023
CISO (chief information security officer)
The CISO (chief information security officer) is a senior-level executive responsible for developing and implementing an information security program, which includes procedures and policies designed to protect enterprise communications, systems and assets from both internal and external threats. Continue Reading
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News
18 Dec 2023
Akamai discloses zero-click exploit for Microsoft Outlook
During research into an older Microsoft Outlook privilege escalation vulnerability, Akamai discovered two new flaws that can be chained for a zero-click RCE exploit. Continue Reading
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News
14 Dec 2023
Russian APT exploiting JetBrains TeamCity vulnerability
The Russian hackers behind the SolarWinds attacks are the latest nation-state group to exploit a critical TeamCity vulnerability to gain initial access to victims' servers. Continue Reading
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News
14 Dec 2023
Splunk: AI isn't making spear phishing more effective
While new research shows AI tools won't make it easier for adversaries to conduct successful phishing attacks, social engineering awareness should remain a priority. Continue Reading
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Tutorial
08 Dec 2023
Kali vs. ParrotOS: 2 versatile Linux distros for security pros
Network security doesn't always require expensive software. Two Linux distributions -- Kali Linux and ParrotOS -- can help enterprises fill in their security gaps. Continue Reading
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Feature
06 Dec 2023
A primer on storage anomaly detection
Storage admins should continuously monitor systems to identify and act upon unusual behavior. Anomaly detection can proactively address issues before they become serious problems. Continue Reading
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Definition
05 Dec 2023
offensive security
Offensive security is the practice of actively seeking out vulnerabilities in an organization's cybersecurity. Continue Reading
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News
04 Dec 2023
Fancy Bear hackers still exploiting Microsoft Exchange flaw
Microsoft and Polish Cyber Command warned enterprises that Russian nation-state hackers are exploiting CVE-2023-23397 to gain privileged access to Exchange email accounts. Continue Reading
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Feature
04 Dec 2023
The reality behind bypassing EDR attempts
Attackers have their work cut out for them when it comes to bypassing EDR. Learn about the difficulty of EDR evasion and how to ensure EDR tools catch all threats. Continue Reading
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Feature
04 Dec 2023
How EDR systems detect malicious activity
Endpoint detection and response tools help SOCs separate benign events from malicious activity. Learn how this EDR function works. Continue Reading
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News
30 Nov 2023
ScamClub spreads fake McAfee alerts to ESPN, AP, CBS sites
Malwarebytes said the malicious affiliate behind the fake virus alerts and other malvertising attacks has been flagged many times over the years, but McAfee has yet to take action. Continue Reading
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News
28 Nov 2023
Europol, Ukraine police arrest alleged ransomware ringleader
Europol and Ukraine's National Police arrested the alleged leader of a ransomware gang last week, along with four accomplices, dismantling the cybercrime group. Continue Reading
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News
27 Nov 2023
Threat actors targeting critical OwnCloud vulnerability
Researchers observed exploitation attempts against a vulnerability affecting OwnCloud's Graph API app, highlighting threat actors' continued focus on file-sharing products. Continue Reading
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News
22 Nov 2023
CISA relaunches working group on cyber insurance, ransomware
Following a hiatus, the Cybersecurity Insurance and Data Analysis Working Group will relaunch in December to determine which security measures are most effective to reduce risk. Continue Reading
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News
21 Nov 2023
CISA, FBI warn of LockBit attacks on Citrix Bleed
The latest advisory on exploitation of the Citrix Bleed vulnerability confirmed that the LockBit ransomware group perpetrated the attack on Boeing. Continue Reading
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Tip
17 Nov 2023
An introduction to IoT penetration testing
IoT systems are complex, and that makes checking for vulnerabilities a challenge. Penetration testing is one way to ensure your IoT architecture is safe from cyber attacks. Continue Reading
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Tip
17 Nov 2023
SBOM formats compared: CycloneDX vs. SPDX vs. SWID Tags
Organizations can choose between three SBOM formats: CycloneDX, SPDX and SWID Tags. Learn more about them to determine which fits your organization best. Continue Reading
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News
16 Nov 2023
CISA, FBI issue alert for ongoing Scattered Spider activity
The government advisory follows several high-profile attacks attributed to Scattered Spider, which uses advanced social engineering techniques like SIM swapping. Continue Reading
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News
15 Nov 2023
LockBit observed exploiting critical 'Citrix Bleed' flaw
The Financial Services Information Sharing and Analysis Center warned that LockBit ransomware actors are exploiting CVE-2023-4966, also known as Citrix Bleed. Continue Reading
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News
09 Nov 2023
Lace Tempest exploits SysAid zero-day vulnerability
SysAid urged users to patch a zero-day vulnerability in its on-premises software, which is being exploited by the threat actor behind the MoveIt Transfer ransomware attacks. Continue Reading
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Definition
09 Nov 2023
emergency communications plan (EC plan)
An emergency communications plan (EC plan) is a document that provides guidelines, contact information and procedures for how information should be shared during all phases of an unexpected occurrence that requires immediate action. Continue Reading
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News
08 Nov 2023
Atlassian Confluence vulnerability under widespread attack
Atlassian's Confluence Data Center and Server products are under attack again as reports of widespread exploitation roll in just days after CVE-2023-22518 was publicly disclosed. Continue Reading
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Definition
08 Nov 2023
call tree
A call tree is a layered hierarchical communication model used to notify specific individuals of an event and coordinate recovery if necessary. Continue Reading
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Definition
03 Nov 2023
cybersecurity asset management (CSAM)
Cybersecurity asset management (CSAM) is the process created to continuously discover, inventory, monitor, manage and track an organization's assets to determine what those assets do and identify and automatically remediate any gaps in its cybersecurity protections. Continue Reading
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News
02 Nov 2023
Microsoft launches Secure Future Initiative to bolster security
In the wake of several significant attacks, Microsoft announced new initiatives to address software development and vulnerability mitigation, among other security risks. Continue Reading
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News
31 Oct 2023
Dual ransomware attacks on the rise, but causes are unclear
While the FBI warned enterprises of an increase in dual ransomware attacks, infosec experts said there's insufficient data to consider the threat a trend. Continue Reading
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Tip
27 Oct 2023
How to create a cybersecurity awareness training program
Cybersecurity awareness training often misses the mark, leaving employees undereducated and organizations vulnerable to attack. Here's how to succeed where too many fail. Continue Reading
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Podcast
26 Oct 2023
Risk & Repeat: Okta under fire after support system breach
This podcast episode covers a security breach suffered by identity vendor Okta involving its customer support systems, which has sparked criticism from customers. Continue Reading
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Tip
26 Oct 2023
Top 7 cloud misconfigurations and best practices to avoid them
Cloud security means keeping a close eye on the configuration of cloud resources and assets. These best practices can keep you safe from attackers and other malicious activities. Continue Reading
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News
24 Oct 2023
Cisco IOS XE instances still under attack, patch now
In the days since Cisco's initial disclosure, the networking giant found a second Cisco IOS XE zero-day as well as new evasion techniques being utilized by threat actors. Continue Reading
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News
23 Oct 2023
Okta customer support system breached via stolen credentials
During the latest breach against the identity and access management vendor, attackers took advantage of the system intended to provide support for Okta customers. Continue Reading
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Feature
23 Oct 2023
Top 10 tips for employees to prevent phishing attacks
Share this list of phishing techniques, detection and prevention tips, and best practices to help employees avoid falling victim to phishing schemes. Continue Reading
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News
19 Oct 2023
North Korean hackers exploit critical TeamCity vulnerability
While a patch is available, Microsoft and JetBrains confirmed TeamCity users have been compromised in attacks that leverage CVE-2023-42793 as an initial attack vector. Continue Reading
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News
19 Oct 2023
CISA, NSA, FBI publish phishing guidance
In its guidance, CISA focused on two primary goals of phishing attacks: obtaining login credentials, often via social engineering, and installing malware on target systems. Continue Reading
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Definition
18 Oct 2023
antispoofing
Antispoofing is a technique for identifying and dropping packets that have a false source address. Continue Reading
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News
18 Oct 2023
Mandiant: Citrix zero-day actively exploited since August
Exploitation against CVE-2023-4966 is ongoing, and Mandiant CTO Charles Carmakal warned patching alone is insufficient against potential attacks that leverage MFA bypass techniques. Continue Reading
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Tip
18 Oct 2023
Cybersecurity vs. cyber resilience: What's the difference?
Companies need cybersecurity and cyber-resilience strategies to protect against attacks and mitigate damage in the aftermath of a successful data breach. Continue Reading
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News
17 Oct 2023
Cisco IOS XE zero-day facing mass exploitation
VulnCheck said its public scanning for CVE-2023-20198 revealed that 'thousands' of internet-facing Cisco IOS XE systems have been compromised with malicious implants. Continue Reading
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Definition
16 Oct 2023
SEO poisoning (search poisoning)
SEO poisoning, also known as 'search poisoning,' is a type of malicious advertising (malvertising) in which cybercriminals create malicious websites and then use search engine optimization (SEO) techniques to cause the sites' links to show up prominently in search results, often as ads at the top of the results. Continue Reading
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News
16 Oct 2023
Cisco working on fix for critical IOS XE zero-day
Cisco designated the bug, CVE-2023-20198, with a CVSS score of 10 and said it was working on a patch, but advised customers to apply mitigations in the meantime. Continue Reading
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News
13 Oct 2023
Ransomware gang targets critical Progress WS_FTP Server bug
The vulnerability used in the failed ransomware attack, CVE-2023-40044, is a .NET deserialization vulnerability in Progress Software's WS_FTP Server with a CVSS score of 10. Continue Reading
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Podcast
12 Oct 2023
Risk & Repeat: Rapid Reset and the future of DDoS attacks
This podcast episode covers the record-breaking DDoS attack Rapid Reset, why it stands out among other DDoS campaigns and whether it will be widely replicated in the future. Continue Reading
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News
10 Oct 2023
'Rapid Reset' DDoS attacks exploiting HTTP/2 vulnerability
Cloudflare said the Rapid Reset DDoS attack was three times larger than the attack it had on record. Google similarly called it 'the largest DDoS attack to date.' Continue Reading
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Feature
10 Oct 2023
Security posture management a huge challenge for IT pros
Enterprise Strategy Group's John Oltsik explains why executing security hygiene and posture management at scale remains an uphill battle for organizations, despite automation. Continue Reading
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Tip
10 Oct 2023
Security log management and logging best practices
Learn how to conduct security log management that provides visibility into IT infrastructure activities and traffic, improves troubleshooting and prevents service disruptions. Continue Reading
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News
06 Oct 2023
MGM faces $100M loss from ransomware attack
MGM's 8-K filing revealed some personal customer data was stolen during the September attack and said the company expects cyber insurance to sufficiently cover the losses. Continue Reading
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News
05 Oct 2023
IBM launches new AI-powered TDR Services
IBM followed its first AI-focused offering from April, QRadar Suite, with an MDR product -- Threat Detection and Response Services -- featuring AI capabilities. Continue Reading
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Definition
05 Oct 2023
risk assessment
Risk assessment is the process of identifying hazards that could negatively affect an organization's ability to conduct business. Continue Reading
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News
04 Oct 2023
Okta debuts passkey support to combat account compromises
The identity and access management vendor introduced products and features that addressed new social engineering techniques that require additional security measures beyond MFA. Continue Reading
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News
02 Oct 2023
Openwall patches 3 of 6 Exim zero-day flaws
The Openwall Project urged users to upgrade to the latest version of Exim, but there have been timely patching struggles with the message transfer agent software in the past. Continue Reading
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News
28 Sep 2023
Cisco patches zero-day vulnerability under attack
Cisco said its Advanced Security Initiatives Group discovered the zero-day flaw while investigating attempted attacks on the vendor's Group Encrypted Transport VPN feature. Continue Reading
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News
25 Sep 2023
Dallas doles out $8.5M to remediate May ransomware attack
The city of Dallas provided a detailed attack timeline that showed Royal threat actors compromised a service account a month before ransomware was deployed. Continue Reading
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Opinion
22 Sep 2023
Google and Mandiant flex cybersecurity muscle at mWISE
End-to-end cybersecurity coverage and generative AI could accentuate Google and Mandiant's combined cybersecurity opportunities -- with the right execution. Continue Reading
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Feature
22 Sep 2023
How to create a SOAR playbook in Microsoft Sentinel
Using automation through tools such as SOAR and SIEM can improve incident response alert efficiency. One automated feature analysts can use is the SOAR playbook. Continue Reading
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Feature
22 Sep 2023
How SOAR helps improve MTTD and MTTR metrics
By automating initial incident response tasks, SOAR can help SOC analysts improve MTTD and MTTR metrics and ensure they focus on true positive alerts. Continue Reading
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News
20 Sep 2023
Cyber insurance report shows surge in ransomware claims
Coalition's H1 2023 report shows ransomware activity increased and severity reached "historic" highs as businesses lost an average of more than $365,000 following an attack. Continue Reading
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News
14 Sep 2023
Caesars Entertainment breached in social engineering attack
Caesars said it took steps after the breach to "ensure that the stolen data is deleted by the unauthorized actor," suggesting it paid a ransom to the attackers. Continue Reading
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News
13 Sep 2023
Browser companies patch critical zero-day vulnerability
While attack details remain unknown, Chrome, Edge and Firefox users are being urged to update their browsers as an exploit for CVE-2023-4863 lurks in the wild. Continue Reading
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Definition
13 Sep 2023
double extortion ransomware
Double extortion ransomware is a novel form of malware that combines ransomware with elements of extortionware to maximize the victim's potential payout. Continue Reading
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Tip
08 Sep 2023
10 antimalware tools for ransomware protection and removal
Businesses face billions of malware and ransomware threats each year. Antimalware tools can help enterprises protect their networks and limit any damages that may occur. Continue Reading
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News
07 Sep 2023
How Storm-0558 hackers stole an MSA key from Microsoft
Microsoft detailed a series of errors that led to a consumer account signing key accidentally being included in a crash dump that was later accessed by Storm-0558 actors. Continue Reading
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News
06 Sep 2023
Okta: 4 customers compromised in social engineering attacks
Okta said a threat actor convinced IT personnel at several customers to reset MFA factors for highly privileged users, though it's unclear how they accomplished that task. Continue Reading
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Tutorial
05 Sep 2023
Use Angry IP Scanner to audit the network
Angry IP Scanner provides a network scanner alternative to Nmap that is simple, user-friendly and versatile across OSes. Scan types include ping scans, UDP scans and TCP scans. Continue Reading
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Tip
31 Aug 2023
How to recover from a ransomware attack
With a ransomware recovery plan, organizations can act quickly to prevent data loss without descending into chaos. Learn the six steps to incorporate into your plan. Continue Reading
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News
30 Aug 2023
FBI, Justice Department dismantle Qakbot malware
The FBI operation, one of the largest U.S.-led botnet disruption efforts ever, included international partners such as France, Germany, the Netherlands and the United Kingdom. Continue Reading
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Guest Post
30 Aug 2023
SEC cyber attack regulations prompt 10 questions for CISOs
New SEC regulations governing the disclosure of cyber attacks by public companies lead to 10 questions board members should ask their CISOs about managing cyber-risk. Continue Reading
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Tip
28 Aug 2023
Enterprise dark web monitoring: Why it's worth the investment
Getting an early warning that your data has been compromised is a key benefit of dark web monitoring, but there are many more. By knowing your enemies, you can better protect your assets. Continue Reading
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News
23 Aug 2023
Sophos: RDP played a part in 95% of attacks in H1 2023
While Sophos observed increasing activity around Active Directory and Remote Desktop Protocol abuse, it recommended simple mitigation steps can limit the attack surface. Continue Reading
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News
22 Aug 2023
Ivanti issues fix for third zero-day flaw exploited in the wild
CVE-2023-38035 is the latest Ivanti zero-day vulnerability to be exploited in the wild. The vendor has released a series of remediation recommendations. Continue Reading
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News
10 Aug 2023
Palo Alto: SugarCRM zero-day reveals growing cloud threats
Recent incident response investigations reveal that attackers are becoming more advanced when it comes to the cloud, but there are steps enterprises can take to mitigate risks. Continue Reading
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News
10 Aug 2023
U.S., Ukraine cyber leaders talk resilience, collaboration
At Black Hat 2023, CISA's Jen Easterly and Ukraine's Victor Zhora discuss cyber resilience and security hardening in the face of destructive cyber campaigns. Continue Reading
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News
10 Aug 2023
Researchers put LLMs to the test in phishing email experiment
A Black Hat USA 2023 session discussed an experiment that used large language models to see how effective the technology can be in both detecting and producing phishing emails. Continue Reading
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News
09 Aug 2023
Generative AI takes center stage at Black Hat USA 2023
About one year after generative AI launched into the spotlight, the technology is showing early signs of potential for security at Black Hat USA 2023 in Las Vegas. Continue Reading
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News
08 Aug 2023
CrowdStrike observes massive spike in identity-based attacks
Identity-based attacks like Kerberoasting saw massive increases over the last 12 months as adversary breakout time fell, according to CrowdStrike's 2023 Threat Hunting Report. Continue Reading
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News
31 Jul 2023
CISA details backdoor malware used in Barracuda ESG attacks
CISA said Friday that 'Submarine' is a novel persistent backdoor used in attacks against Barracuda Email Security Gateway appliances vulnerable to CVE-2023-2868. Continue Reading
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Tip
31 Jul 2023
How honey tokens support cyber deception strategies
Learn how to flip the script on malicious hackers with honey tokens, which act like tripwires to reveal an attacker's presence. Continue Reading
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News
27 Jul 2023
Google: 41 zero-day vulnerabilities exploited in 2022
While attackers increasingly exploited zero-day flaws last year, one of the most notable findings from the report emphasized how inadequate patches led to new variants. Continue Reading
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News
25 Jul 2023
Ivanti EPMM zero-day vulnerability exploited in wild
A zero-day authentication bypass vulnerability in Ivanti Endpoint Manager Mobile was exploited in a cyber attack against a Norwegian government agency. Continue Reading
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News
24 Jul 2023
Mandiant: JumpCloud breach led to supply chain attack
Mandiant researchers attribute the supply chain attack to a North Korean threat actor that abused JumpCloud's commands framework to gain access to a downstream customer. Continue Reading