Search: “Defender”

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CategoryAll Ransomware 2280 Vulnerability 1850 Malware 1616 Exploit / PoC 1109 Policy & legal 920 Threat actor 885 Data breach 702 Phishing & fraud 593 Industry 578 AI safety & security 145 Advisory 95 Research 86 AI tools & infra 65 Tools 54

SeverityAll critical 4977 high 2701 medium 1799 low 1218 info 362

Beyond Acceleration and Automation: How AI + Intelligence Changes Cyber Defense

Recorded FutureMay 14, 00:00 UTC · May 14, 2026Exploit / PoC in the wild

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Industrial Defender 8.0 offers detailed view of OT environments

Help Net SecurityFeb 11, 00:00 UTC · Feb 11, 2025Exploit / PoC in the wild

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Reality Defender secures $33 million to enhance AI detection capabilities

Help Net SecurityOct 23, 00:00 UTC · Oct 23, 2024Threat actor

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Microsoft launched its new Microsoft Defender Bounty Program

Security AffairsNov 24, 19:49 UTC · Nov 24, 2023Exploit / PoC1

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Celerium Compromise Defender detects and disrupts cyber compromise activity

Help Net SecurityJun 23, 00:00 UTC · Jun 23, 2023Ransomware

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Cyware Threat Defender Library strengthens security collaboration between organizations

Help Net SecurityOct 5, 00:00 UTC · Oct 5, 2022Threat actor

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Top 6 MITRE ATT&CK Techniques Identified in 2020, Defense Evasion Tactics Prevail

Recorded FutureNov 21, 00:00 UTC · Nov 21, 2025Ransomware

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Friday Squid Blogging: SQUID Acronym for Making Conscious Choices

Schneier on SecurityAug 12, 21:06 UTC · Aug 12, 2022Malware

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Microsoft fixed Defender flaw RoguePlanet (CVE-2026

Security AffairsJul 9, 10:17 UTC · Jul 9, 2026Exploit / PoC CVE-2026-50656

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Cybersecurity in the Age of Instant Software

Schneier on SecurityApr 15, 00:00 UTC · Apr 15, 2026Vulnerability

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Microsoft Defender ATP integrates with Delta Risk's SOAR platform, ActiveEye

Help Net SecurityMar 18, 00:00 UTC · Mar 18, 2020Ransomware

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Java security: If you ain’t cheatin,’ you ain’t tryin’

CyberScoopFeb 19, 11:00 UTC · Feb 19, 2025Exploit / PoC in the wildCVE-2021-44228

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Microsoft Defender vulnerabilities exploited in the wild (CVE-2026-41091, CVE-2026-45498)

Help Net SecurityMay 21, 00:00 UTC · May 21, 2026Exploit / PoC in the wildCVE-2026-41091 CVE-2026-45498 CVE-2026-45584+2 CVEs

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Fortinet’s delayed alert on actively exploited defect put defenders at a disadvantage

CyberScoopNov 17, 21:01 UTC · Nov 17, 2025Exploit / PoC in the wildCVE-2025-64446

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Who pays when you gate cyber-capable AI models?

Help Net SecurityJun 22, 00:00 UTC · Jun 22, 2026Vulnerability

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Microsoft Warns of Two Actively Exploited Defender Vulnerabilities

The Hacker NewsMay 26, 07:28 UTC · May 26, 2026Vulnerability in the wildCVE-2026-41091 CVE-2026-45498 CVE-2026-33825+7 CVEs

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Government Loses Hard Drives It Was Supposed to Put ICE Detention Center Footage On

404 MediaFeb 11, 18:06 UTC · Feb 11, 2026Policy & legal

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AI can help defenders stop nation

CyberScoopApr 23, 15:40 UTC · Apr 23, 2025Vulnerability

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Microsoft announces Defender bug bounty program

Help Net SecurityNov 28, 11:04 UTC · Nov 28, 2023Exploit / PoC

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Why Defenders Should Embrace a Hacker Mindset

The Hacker NewsNov 20, 11:21 UTC · Nov 20, 2023Ransomware

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The Standoff: Attackers and defenders to face off in digital metropolis security challenge

Help Net SecurityMar 9, 19:32 UTC · Mar 9, 2023Vulnerability

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Beyond the basics: Implementing an active defense

Cisco TalosFeb 9, 13:13 UTC · Feb 9, 2023Ransomware

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Microsoft Defender for Endpoint now detects jailbroken iOS devices

Help Net SecurityJun 17, 00:00 UTC · Jun 17, 2021Vulnerability

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Chaotic Eclipse Strikes Again: New Zero-Day Unlocks BitLocker in Four Hours of Research

Security AffairsJun 11, 10:58 UTC · Jun 11, 2026Exploit / PoC CVE-2026-33825 CVE-2026-45498 CVE-2026-410911

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At Mythos Speed: A Defender's Playbook for the AI Vulnerability Surge in 2026

Recorded FutureMay 21, 00:00 UTC · May 21, 2026Vulnerability in the wildCVE-2025-55182

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ThreatsDay Bulletin: Defender 0-Day, SonicWall Brute-Force, 17-Year

The Hacker NewsApr 17, 14:47 UTC · Apr 17, 2026Ransomware in the wildCVE-2026-33825 CVE-2009-02381

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What happens when cybersecurity knowledge walks out the door

Help Net SecurityFeb 25, 09:20 UTC · Feb 25, 2026Vulnerability

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Spy vs. spy: How GenAI is powering defenders and attackers

Cisco TalosDec 4, 11:00 UTC · Dec 4, 2025Exploit / PoC

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Feds say AI favors defenders over attackers in cyberspace — so far

CyberScoopFeb 27, 20:05 UTC · Feb 27, 2024Exploit / PoC in the wild

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Industrial Defender collaborates with Dragos to enhance outcomes for OT operators

Help Net SecurityJan 17, 00:00 UTC · Jan 17, 2024Industry

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Industrial Defender and Nozomi Networks partner to protect critical operational technology

Help Net SecurityFeb 7, 00:00 UTC · Feb 7, 2023Vulnerability

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Microsoft December 2021 Patch Tuesday fixes an actively exploited zero

Security AffairsDec 15, 15:08 UTC · Dec 15, 2021Vulnerability in the wildCVE-2021-43890 CVE-2021-43240 CVE-2021-41333+54 CVEs

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Microsoft Defender can now protect servers against ProxyLogon attacks

Security AffairsMar 21, 10:58 UTC · Mar 21, 2021Exploit / PoC CVE-2021-26855

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CI Security expands offerings to include EDR with Microsoft Defender ATP

Help Net SecurityAug 26, 00:00 UTC · Aug 26, 2020Industry

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A Look Into Fysbis: Sofacy’s Linux Backdoor

Palo Alto Unit 42Nov 1, 10:05 UTC · Nov 1, 2018Malware

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Cyber-defenders urged to use counterinsurgency playbook

CyberScoopFeb 1, 16:32 UTC · Feb 1, 2017Exploit / PoC in the wild

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8 Ways AI is Changing Threat Intelligence

Recorded FutureAug 3, 00:00 UTC · Aug 3, 2026Data breach

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Patch for Windows Defender 0-day could allow attackers to fill hard disk

Ars Technica · SecurityJul 9, 20:52 UTC · Jul 9, 2026Vulnerability CVE-2026-50656

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Microsoft defender under attack as three zero-days, two of them still unpatched, enable elevated access

Security AffairsJul 1, 11:19 UTC · Jul 1, 2026Vulnerability CVE-2026-33825

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Microsoft Defender RoguePlanet Zero-Day Grants SYSTEM Access on Updated Windows

The Hacker NewsJun 10, 17:30 UTC · Jun 10, 2026Exploit / PoC in the wildCVE-2026-33825 CVE-2026-45498 CVE-2026-410911

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