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
-
Feature
30 Jun 2025
Enterprise cybersecurity: A strategic guide for CISOs
CISOs and others responsible for safeguarding an organization's systems, networks and data need to manage day-to-day threats while also planning strategically for what's ahead. Continue Reading
-
Tip
27 Jun 2025
SBOM formats explained: Guide for enterprises
SBOMs inventory software components to help enhance security by tracking vulnerabilities. Teams have three standard SBOM formats to choose from: CycloneDX, SPDX and SWID tags. Continue Reading
-
Feature
30 Jun 2025
Enterprise cybersecurity: A strategic guide for CISOs
CISOs and others responsible for safeguarding an organization's systems, networks and data need to manage day-to-day threats while also planning strategically for what's ahead. Continue Reading
-
Tip
27 Jun 2025
SBOM formats explained: Guide for enterprises
SBOMs inventory software components to help enhance security by tracking vulnerabilities. Teams have three standard SBOM formats to choose from: CycloneDX, SPDX and SWID tags. Continue Reading
-
Tip
27 Jun 2025
Cybersecurity skills gap: Why it exists and how to address it
The cybersecurity skills shortage is putting enterprises at risk. Worse, it shows no sign of abating. Here is why it's happening and what employers can do to mitigate the problem. Continue Reading
-
Tip
26 Jun 2025
12 smart contract vulnerabilities and how to mitigate them
Smart contracts execute tasks automatically when specific events occur, and they often handle large data and resource flows. This makes them particularly attractive to attackers. Continue Reading
-
Tip
25 Jun 2025
10 remote work cybersecurity risks and how to prevent them
Larger attack surfaces, limited oversight of data use, AI-driven attacks and vulnerable enterprise technologies are among the security risks faced in remote work environments. Continue Reading
-
Tip
24 Jun 2025
Cybersecurity governance: A guide for businesses to follow
Cybersecurity governance is now critical, with NIST CSF 2.0 recently adding it as a dedicated function. Learn why governance is core to an effective cyber strategy. Continue Reading
-
Definition
24 Jun 2025
What is crypto-agility?
Crypto-agility, or cryptographic agility, is the ability of an organization to efficiently and rapidly change cryptographic algorithms, protocols or primitives in response to emerging threats, vulnerabilities or regulatory requirements. Continue Reading
-
Tip
23 Jun 2025
SentinelOne vs. CrowdStrike: EPP tools for the enterprise
Compare SentinelOne and CrowdStrike endpoint protection platforms, which both offer strong endpoint security with GenAI, but differ in pricing tiers and specialized strengths. Continue Reading
-
Definition
23 Jun 2025
What is a SYN flood DoS attack?
A SYN flood attack is a type of denial-of-service (DoS) attack on a computer server. This exploit is also known as a 'half-open attack.' Continue Reading
-
Tip
23 Jun 2025
What is a cyberattack? 16 common types and how to prevent them
To stop cybercrime, companies must understand how they're being attacked. Here are the most damaging types of cyberattacks, how to prevent them and their effect on daily business. Continue Reading
-
Definition
20 Jun 2025
What is risk assessment?
Risk assessment is the process of identifying hazards that could negatively affect an organization's ability to conduct business. Continue Reading
-
Definition
18 Jun 2025
What is an advanced persistent threat (APT)?
An advanced persistent threat (APT) is a prolonged and targeted cyberattack in which an intruder gains access to a network and remains undetected for an extended period. Continue Reading
-
Tutorial
17 Jun 2025
Kali vs. ParrotOS: Security-focused Linux distros compared
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
-
Feature
16 Jun 2025
How AI threat detection is transforming enterprise cybersecurity
AI-powered threat detection transforms cybersecurity by using machine learning to analyze network traffic, user behaviors and data access patterns. Continue Reading
-
Tip
13 Jun 2025
What is cyber risk quantification (CRQ)? How to get it right
Cyber risk quantification translates security threats into financial terms, so executives can prioritize risks, justify investments and allocate resources to protect the business. Continue Reading
-
Tip
11 Jun 2025
Should cybersecurity be part of your digital transformation strategy?
Digital transformation offers companies some tantalizing possibilities. But new technologies usher in new vulnerabilities. Cybersecurity needs to play a key role. Continue Reading
-
Definition
11 Jun 2025
What is an asymmetric cyberattack?
An asymmetric cyberattack refers to cyberwarfare that inflicts a proportionally large amount of damage compared to the resources used by targeting the victim's most vulnerable security measure. Continue Reading
-
Feature
10 Jun 2025
AI-powered attacks: What CISOs need to know now
AI-powered attacks are transforming cybersecurity, using AI to automate and personalize threats at an unprecedented scale since 2022. Continue Reading
-
Definition
06 Jun 2025
What is cyber extortion?
Cyber extortion is a crime involving an attack or threat of an attack, coupled with a demand for money or some other response, in return for stopping an attack or preventing one from happening. Continue Reading
-
Definition
05 Jun 2025
What is third-party risk management (TPRM)?
Third-party risk management (TPRM) is a comprehensive framework for identifying, assessing, and mitigating risks associated with using external vendors, suppliers, partners and service providers. Continue Reading
-
Definition
05 Jun 2025
What is the WannaCry ransomware attack?
WannaCry ransomware is a cyberattack that spread by exploiting vulnerabilities in earlier and unpatched versions of the Windows operating system (OS). Continue Reading
-
Tip
02 Jun 2025
The DOGE effect on cybersecurity: Efficiency vs. risk
The DOGE effect on security is a complex issue. Pursuit of efficiency might be a legitimate goal, but experts caution it can conflict with cybersecurity defenses. Continue Reading
-
Video
02 Jun 2025
The DOGE effect on cyber: What's happened and what's next?
In this webinar, part of 'CISO Insights' series, cybersecurity experts debate the pros and cons of the Department of Government Efficiency's actions and the impact on their field. Continue Reading
-
Definition
30 May 2025
What is triple extortion ransomware?
Triple extortion ransomware is a type of ransomware attack in which a cybercriminal extorts their victim multiple times -- namely by encrypting data, exposing exfiltrated data and then threatening an additional third attack vector. Continue Reading
-
Definition
30 May 2025
What is fourth-party risk management (FPRM)?
Fourth-party risk management (FPRM) is the process of identifying, assessing and mitigating risks that originate from the subcontractors and service providers that an organization's third-party vendors use. Continue Reading
-
Definition
28 May 2025
What is double extortion ransomware? How to defend your organization
Double extortion ransomware is a type of cyberattack that encrypts a victim's data, like in a traditional ransomware attack, while also adding a second attack vector of stealing that data. Continue Reading
-
Feature
21 May 2025
PowerSchool data breach: Explaining how it happened
Hackers are going to school (literally) as the education sector has become an increasingly attractive target for cybercriminals. Continue Reading
-
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
-
News
13 May 2025
Vulnerability detection tops agentic AI at RSAC's startup competition
Agentic-native startups threaten to reduce the zero-day problem to just a zero-hour issue. Of course, AI agents will accelerate offensive attacks as well. Continue Reading
-
Definition
09 May 2025
What is a security operations center (SOC)?
A security operations center (SOC) is a command center facility in which a team of information technology (IT) professionals with expertise in information security (infosec) monitors, analyzes and protects an organization from cyberattacks. Continue Reading
-
Definition
08 May 2025
What are the top 10 spyware threats?
The top 10 spyware list describes the most common spyware threats behind famous spyware attacks and is frequently identified by leading antispyware tools from vendors like Webroot, Norton and Malwarebytes. Continue Reading
-
News
07 May 2025
RSAC 2025: Cyware operationalizes threat intelligence with AI, automation
Keeping up with threat intelligence, given its exponential growth, is tough. What businesses need is automatic triaging of alerts and guidance for any necessary follow-up, says Cyware's Sachin Jade. Continue Reading
-
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
-
News
05 May 2025
RSAC 2025 highlights gap between threat intel, response
Staying ahead means cyber defenders can’t operate in silos. Continue Reading
-
News
02 May 2025
A cybersecurity paradox: Even resilient organizations are blind to AI threats
A LevelBlue report looks at what goes into the security postures of a cyber-resilient organization, and found that AI is still a blind spot. Continue Reading
-
Video
02 May 2025
An explanation of pen testing
Pen testing uses six steps to test systems for vulnerabilities so organizations can remediate any problems and strengthen their cybersecurity against potential attacks. Continue Reading
-
News
01 May 2025
RSAC Conference: New Huntress, Qualys offers, Malwarebytes channel initiatives
Salt Security, Diligent, Vodafone Business and Fortinet also made channel-relevant announcements during the conference. Continue Reading
-
News
01 May 2025
Debunking security 'myths' to address common gaps
Dan Gorecki and Scott Brammer's interactive session during RSAC Conference 2025 encourages security professionals to rethink their security postures and address evolving and emerging risks. Continue Reading
-
News
01 May 2025
Former CISA head slams Trump admin over 'loyalty mandate'
Jen Easterly, former director of CISA, discussed the first 100 days of the second Trump administration and criticized the president's 'mandate for loyalty' during a panel at RSAC 2025. Continue Reading
-
News
30 Apr 2025
Nvidia's new AI security offering protects against software landmines
Nvidia's DOCA Argus prevents attacks before they compromise AI architectures. Continue Reading
-
News
30 Apr 2025
DHS boss Noem vows to get CISA back 'on mission'
Secretary Noem asks the cybersecurity community to get in touch with CISA to help reshape the agency to focus on finding efficiencies. Continue Reading
-
News
30 Apr 2025
DARPA highlights critical infrastructure security challenges
Leaders at federal research organizations DARPA, ARPA-I and ARPA-H discussed the myriad obstacles in addressing critical infrastructure security at RSAC Conference 2025. Continue Reading
-
News
28 Apr 2025
Cisco, former Google, Meta experts train cybersecurity LLM
Cisco's new Foundation AI group, which includes engineers from multiple companies, has released a compact AI reasoning model based on Llama 3 for cybersecurity to open source. Continue Reading
-
Tip
28 Apr 2025
7 stages of the ransomware lifecycle
It can be nearly impossible to predict if or how a ransomware group will target an organization, but there are knowable stages of a ransomware attack. Continue Reading
-
Opinion
25 Apr 2025
RSAC 2025 to center on agentic AI, GenAI in security
If AI continues to become more accurate and secure, automation and self-healing systems that strengthen security programs could be the future. Continue Reading
-
Opinion
24 Apr 2025
Change is in the wind for SecOps: Are you ready?
Attackers have historically had time on their side, outpacing defenders who have struggled to keep up. Agentic AI appears poised to change the game. Continue Reading
-
Definition
23 Apr 2025
What is ransomware? Definition and complete guide
Ransomware is malware that locks and encrypts a victim's data, files, devices or systems, rendering them inaccessible and unusable until the attacker receives a ransom payment. Continue Reading
-
Definition
21 Apr 2025
What is a brute-force attack?
A brute-force attack is a trial-and-error hacking method cybercriminals use to decode login information and encryption keys to gain unauthorized access to systems. Continue Reading
-
Tip
15 Apr 2025
How to effectively respond to a ransomware attack
Does your organization know what to do if its systems are suddenly struck by a ransomware attack? To be ready, prepare your ransomware response well ahead of time. Continue Reading
-
Feature
11 Apr 2025
Ransomware negotiation: Does it work, and should you try it?
Negotiating with the criminals who are holding your data for ransom is a daunting and stressful endeavor. Experts weigh in on the risks and the potential outcomes. Continue Reading
-
Tip
09 Apr 2025
How to prevent and protect against ransomware
Organizations sometimes learn difficult lessons about gaps in their cybersecurity defenses. Here's what to know about ransomware preparation, detection, response and recovery. Continue Reading
-
Feature
09 Apr 2025
How to create a data breach response plan, with free template
A data breach response plan outlines how a business reacts to a breach. Follow these six steps, and use our free template to develop your organization's plan. Continue Reading
-
Feature
07 Apr 2025
Explaining AI's impact on ransomware attacks and security
Experts say AI and LLMs will make ransomware attacks more dangerous, but those same tools could be turned against criminals by bolstering ransomware protections. Continue Reading
-
Tip
03 Apr 2025
How to detect and remove malware from an Android device
Mobile malware can come in many forms, but users might not know how to identify it. Understand the signs to be wary of on Android devices, as well as what to do to remove malware. Continue Reading
-
Feature
03 Apr 2025
4 ransomware detection techniques to catch an attack
While prevention is key, it's not enough to protect a company's systems from ransomware. Learn how early detection with these four methods helps reduce damage from attacks. Continue Reading
-
Opinion
01 Apr 2025
How ESET is using AI PCs to boost endpoint security
While AI PCs show legitimate promise, the rock-solid use cases haven't been as prominent. However, security vendor ESET is showing more concrete applications of this technology. Continue Reading
-
Tip
31 Mar 2025
How quantum cybersecurity changes the way you protect data
Here's a full guide to the threats quantum computers pose to today's encryption algorithms -- and how to prepare now to become "crypto-agile" enough to stay ahead of bad actors. Continue Reading
-
Feature
20 Mar 2025
3 types of deepfake detection technology and how they work
Think you're talking to your boss on Zoom? You might want to think again. Deepfake technology has already cost enterprises millions of dollars. Here's how to fight fire with fire. Continue Reading
-
News
20 Mar 2025
Cloudflare unveils tools for safeguarding AI deployment
The cybersecurity vendor's new suite helps businesses, developers and content creators deploy AI technology at scale safely and securely. Continue Reading
-
Definition
14 Mar 2025
What is pharming?
Pharming is a scamming practice in which malicious code is installed on a PC or server, misdirecting users to fraudulent websites without their knowledge or consent. Continue Reading
-
Feature
11 Mar 2025
Incident response for web application attacks
Web app security is like learning to ride a bike -- expect to struggle before getting it right. But don't be disheartened; learn from prior incidents to improve controls. Continue Reading
-
Feature
06 Mar 2025
Treasury Department hacked: Explaining how it happened
Another major cyberattack hit the U.S. Treasury, allegedly by Chinese state-sponsored hackers. Exploiting BeyondTrust software, they accessed sensitive unclassified documents. Continue Reading
-
Definition
28 Feb 2025
What is the NSA and how does it work?
The National Security Agency (NSA) is a federal government surveillance and intelligence agency that's part of the U.S. Department of Defense and is managed under the authority of the director of national intelligence (DNI). Continue Reading
-
News
27 Feb 2025
CrowdStrike: China hacking has reached 'inflection point'
In its 2025 Global Threat Report, CrowdStrike observed an increase in China's cyber capabilities, with a focus on espionage and 'pre-positioning' itself in critical environments. Continue Reading
-
Tip
26 Feb 2025
How to improve third-party API integration security
External API integrations are critical, but so is managing third-party API risks to maintain customer trust, remain compliant and ensure long-term operational resilience. Continue Reading
-
Tip
25 Feb 2025
How to enhance OSINT investigations using AI
As the amount of data publicly available online continues to grow, AI-driven tools are becoming indispensable companions for intelligence gathering and analysis. Continue Reading
-
Definition
24 Feb 2025
What is red teaming?
Red teaming is the practice of rigorously challenging plans, policies, systems and assumptions with an adversarial approach. Continue Reading
-
News
21 Feb 2025
Palo Alto Networks vulnerabilities exploited in chained attack
The cybersecurity vendor urges customers to take immediate action to mitigate recently disclosed vulnerabilities that are being actively exploited in the wild. Continue Reading
-
Definition
21 Feb 2025
What is a network packet?
A network packet is a basic unit of data that is transferred over a computer network, typically a packet-switched network, such as the internet. Continue Reading
-
Podcast
20 Feb 2025
Risk & Repeat: Salt Typhoon hasn't stopped hacking
Although the Salt Typhoon telecom breaches from last year appear to have been remediated, the Chinese state-sponsored threat group continues to target critical organizations. Continue Reading
-
News
20 Feb 2025
CISA, FBI warn of Ghost/Cring ransomware attacks
Ghost is a China-based financially motivated ransomware group that has launched attacks against organizations in more than 70 countries -- including its own. Continue Reading
-
Tip
20 Feb 2025
Penetration testing vs. vulnerability scanning: What's the difference?
Confused by the distinctions between penetration testing and vulnerability scanning? You're not alone. Learn the key differences between the two and when to use each. Continue Reading
-
Definition
18 Feb 2025
What are social engineering attacks?
Social engineering is an attack vector that relies heavily on human interaction and often involves psychological manipulation of people into breaking normal security procedures and best practices to gain unauthorized access. Continue Reading
-
Definition
18 Feb 2025
What is a botnet?
A botnet is a collection of internet-connected devices -- including PCs, servers, mobile devices and internet of things (IoT) devices -- infected and controlled by a common type of malware, often unbeknownst to their owners. Continue Reading
-
News
13 Feb 2025
Salt Typhoon compromises telecom providers' Cisco devices
Salt Typhoon's latest campaign exploits older vulnerabilities in Cisco edge devices to gain access to the networks of several telecom companies, including two based in the U.S. Continue Reading
-
Definition
13 Feb 2025
What is a denial-of-service attack?
A denial-of-service (DoS) attack is a security threat that occurs when an attacker makes it impossible for legitimate users to access computer systems, networks, services or other IT resources. Continue Reading
-
Definition
12 Feb 2025
What is cyber hijacking?
Cyber hijacking, or computer hijacking, is a type of network security attack in which the threat actor takes control of computer systems, software programs and network communications. Continue Reading
-
Definition
12 Feb 2025
What is antimalware?
Antimalware is a software program created to protect IT systems and individual computers from malicious software, or malware. Continue Reading
-
Definition
11 Feb 2025
What is a honeypot? How it protects against cyberattacks
A honeypot is a network-attached system set up as a decoy to lure cyberattackers and to help organizations detect, deflect and study hacking attempts to gain unauthorized access to IT. Continue Reading
-
Tip
07 Feb 2025
Top 21 Kali Linux tools and how to use them
Kali Linux includes many tools tailored to beefing up network security. Getting familiar with them takes a lot of work, but the benefits they provide can be wide-ranging. Continue Reading
-
News
06 Feb 2025
Unpatched.ai: Who runs the vulnerability discovery platform?
There is limited information on the AI-powered vulnerability discovery platform that emerged in December after it reported Microsoft vulnerabilities Continue Reading
-
Definition
05 Feb 2025
What is a cyberthreat hunter (cybersecurity threat analyst)?
A cyberthreat hunter, also called a cybersecurity threat analyst, proactively identifies security incidents that might go undetected using automated security tools such as malware detectors and firewalls. Continue Reading
-
Tip
05 Feb 2025
How to build an effective purple team playbook
Enterprises across a wide variety of vertical industries can benefit from purple team exercises that harness red and blue teams toward a common goal: reducing vulnerabilities. Continue Reading
-
News
05 Feb 2025
Chainalysis records 35% decrease in ransom payments in 2024
While the first half of 2024 was on pace to surpass 2023's record-setting numbers, Chainalysis found that the volume of ransom payments dropped in the second half of the year. Continue Reading
-
News
03 Feb 2025
NSFocus: DeepSeek AI hit with 'well planned' DDoS attacks
Cybersecurity vendor NSFocus said AI startup DeepSeek endured multiple waves of DDoS attacks from attackers since its reasoning model was released Jan. 20. Continue Reading
-
News
30 Jan 2025
German police disrupt Cracked, Nulled cybercrime forums
Cracked and Nulled had a combined community of approximately 10 million users who used the sites to discuss cybercrime and sell malware and hacking tools. Continue Reading
-
News
24 Jan 2025
DOJ indicts 5 individuals in North Korea IT worker scam
An unsealed indictment revealed threat actors working for North Korea tricked at least 64 U.S. businesses into hiring fake IT workers for financial and propriety data gains. Continue Reading
-
Definition
23 Jan 2025
What is threat modeling?
Threat modeling is the systematic process of identifying threats to and vulnerabilities in software applications, and then defining countermeasures to mitigate those threats and vulnerabilities to better protect business processes, networks, systems and data. Continue Reading
-
News
23 Jan 2025
Zero-day vulnerability in SonicWall SMA series under attack
SonicWall released a hotfix for a critical pre-authentication remote code execution vulnerability in Secure Mobile Access 1000 products amidst reports of zero-day exploitation. Continue Reading
-
Podcast
21 Jan 2025
Risk & Repeat: What is the future of CISA?
South Dakota Gov. Kristi Noem, who is President Donald Trump's nominee for DHS secretary, said during a recent confirmation hearing that CISA should be 'smaller.' Continue Reading
-
News
21 Jan 2025
Threat actors abusing Microsoft Teams in ransomware attacks
Sophos researchers observed two separate threat campaigns in which attackers used Microsoft Teams to pose as IT support personnel and gain access to victims' systems. Continue Reading
-
Tip
21 Jan 2025
How to prevent living-off-the-land attacks
Living-off-the-land attacks have been around since the dawn of modern computing, but they're drawing new attention from threat actors eager to find ways to penetrate defenses. Continue Reading
-
News
17 Jan 2025
Treasury Department sanctions company tied to Salt Typhoon
The sanctions were in response to significant cyberattacks by Chinese nation-state threat groups against the U.S. government and critical infrastructure in recent months. Continue Reading
-
Feature
16 Jan 2025
The mystery of the $75M ransom payment to Dark Angels
The Dark Angels gang stole 100 TB of data from a Fortune 50 company last year for a record-setting ransom payment. But the victim organization still hasn't disclosed those details. Continue Reading
-
News
15 Jan 2025
FBI removes Chinese PlugX malware from 4,258 U.S. computers
The FBI did not inform individuals that it deleted PlugX malware from users' computers beforehand, citing the possibility of Chinese state-sponsored hackers making adjustments. Continue Reading
-
News
14 Jan 2025
Attackers exploiting critical Fortinet zero-day vulnerability
Fortinet disclosed another zero-day vulnerability in its FortiOS and FortiProxy products days after Arctic Wolf detailed a threat campaign targeting the vendor's devices. Continue Reading
-
News
14 Jan 2025
CISA: BeyondTrust flaw CVE-2024-12686 exploited in the wild
BeyondTrust discovered the flaw last month while investigating breaches of a 'limited number' of SaaS customers at the hands of Chinese state-sponsored threat actors. Continue Reading
-
News
14 Jan 2025
Ivanti zero-day patching increases amid ongoing attacks
Recent scans conducted by the Shadowserver Foundation show many organizations have patched Ivanti instances vulnerable to CVE-2025-0282 over the last week. Continue Reading
-
Tip
13 Jan 2025
How to avoid and remove malvertising
Malvertising is an up-and-coming cybersecurity threat, but marketing and IT teams alike can take several important steps to avoid and remove this threat. Continue Reading
-
Feature
13 Jan 2025
9 secure email gateway options for 2025
Finding the best email security gateway is vital to protect companies from cyberattacks. Here's a look at some current market leaders and their standout features. Continue Reading