Search: “Windows Defender”

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CategoryAll Malware 670 Ransomware 631 Vulnerability 554 Exploit / PoC 261 Threat actor 174 Data breach 106 Policy & legal 77 Industry 67 Phishing & fraud 60 AI safety & security 23 Advisory 20 Research 18 AI industry 9 Tools 8

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Lazarus and the tale of three RATs

Cisco TalosSep 8, 12:01 UTC · Sep 8, 2022Threat actor

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Lemon Duck spreads its wings: Actors target Microsoft Exchange servers, incorporate new TTPs

Cisco TalosMay 7, 19:50 UTC · May 7, 2021Exploit / PoC CVE-2021-26855 CVE-2021-26857 CVE-2021-26858+1 CVEs1

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Patch Tuesday, April 2026 Edition

Krebs on SecurityApr 15, 00:00 UTC · Apr 15, 2026Vulnerability in the wildCVE-2026-32201 CVE-2026-33825 CVE-2026-34621+1 CVEs

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December 2023 Microsoft Patch Tuesday fixed 4 critical flaws

Security AffairsDec 13, 08:18 UTC · Dec 13, 2023Vulnerability in the wildCVE-2023-35628 CVE-2023-36019 CVE-2023-35636

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Microsoft fixes Follina and 55 other CVEs

Help Net SecurityJul 12, 17:26 UTC · Jul 12, 2022Vulnerability CVE-2022-30190 CVE-2022-30136 CVE-2022-30163+3 CVEs

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⚡ Weekly Recap: Hyper-V Malware, Malicious AI Bots, RDP Exploits, WhatsApp Lockdown and More

The Hacker NewsNov 10, 12:51 UTC · Nov 10, 2025Malware CVE-2025-210421

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SolarWinds Web Help Desk Exploited for RCE in Multi

The Hacker NewsMar 7, 07:03 UTC · Mar 7, 2026Vulnerability in the wildCVE-2025-40551 CVE-2025-40536 CVE-2025-26399+1 CVEs

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AvosLocker Ransomware Variant Using New Trick to Disable Antivirus Protection

The Hacker NewsMay 3, 05:50 UTC · May 3, 2022Ransomware CVE-2021-40539 CVE-2021-44228

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First Patch Tuesday of 2022 Brings Fix for a Critical 'Wormable' Windows Vulnerability

The Hacker NewsJan 15, 00:00 UTC · Jan 15, 2022Vulnerability CVE-2022-21907 CVE-2021-22947 CVE-2021-36976+10 CVEs

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Microsoft Patch Tuesday fixes critical Office RCE

Security AffairsJan 11, 20:38 UTC · Jan 11, 2022Vulnerability CVE-2022-21840 CVE-2022-219071

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Acunetix 13 web app security scanner comes with many innovations

Help Net SecurityFeb 6, 00:00 UTC · Feb 6, 2020Vulnerability

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Microsoft fixes Microsoft Malware Protection Engine RCE vulnerability CVE-2017

Security AffairsMay 9, 09:25 UTC · May 9, 2017Vulnerability CVE-2017-02901

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Microsoft plugs crazy bad bug with emergency patch

Help Net SecurityMay 9, 00:00 UTC · May 9, 2017Vulnerability in the wildCVE-2017-0290

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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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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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68% Of Organizations Were Victims Of Endpoint Attacks In 2019

Help Net SecurityFeb 14, 07:18 UTC · Feb 14, 2020Data breach

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Lazarus Hackers Exploited Windows Kernel Flaw as Zero

The Hacker NewsFeb 29, 14:41 UTC · Feb 29, 2024Threat actor in the wildCVE-2024-21338

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Do we still have to keep doing it like this?

Cisco TalosJan 9, 19:15 UTC · Jan 9, 2025Ransomware

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Attackers abuse SolarWinds Web Help Desk to install Zoho agents and Velociraptor

Security AffairsFeb 9, 12:28 UTC · Feb 9, 2026Exploit / PoC in the wildCVE-2025-40551 CVE-2025-26399 CVE-2025-40536

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Malware report for Q2 2024 — a quarterly review

Kaspersky SecurelistSep 5, 07:45 UTC · Sep 5, 2024Malware CVE-2024-3094

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Microsoft fixed two zero

Security AffairsApr 11, 08:54 UTC · Apr 11, 2024Exploit / PoC in the wildCVE-2024-29988 CVE-2024-26234

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Microsoft Patches Tuesday security updates for April 2024 fixed hundreds of issues

Security AffairsApr 10, 17:39 UTC · Apr 10, 2024Vulnerability in the wildCVE-2024-21322 CVE-2024-21323 CVE-2024-29053+4 CVEs

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April’s Patch Tuesday Brings Record Number of Fixes

Krebs on SecurityApr 9, 20:55 UTC · Apr 9, 2024Vulnerability in the wildCVE-2024-20670 CVE-2024-29063 CVE-2024-29988+2 CVEs1

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‘Wormable’ Flaw Leads January 2022 Patch Tuesday

Krebs on SecurityJan 11, 22:53 UTC · Jan 11, 2022Vulnerability in the wildCVE-2022-21907 CVE-2022-21846 CVE-2021-22947+2 CVEs

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Microsoft Releases September 2020 Security Patches For 129 Flaws

The Hacker NewsSep 8, 19:56 UTC · Sep 8, 2020Vulnerability in the wildCVE-2020-16875 CVE-2020-1129 CVE-2020-1319

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US authorities aim to dismantle the North Korea's Joanap Botnet

Security AffairsFeb 1, 18:28 UTC · Feb 1, 2019Malware

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Microsoft Condemns

Infosecurity MagazineMay 28, 12:00 UTC · May 28, 2026Exploit / PoC in the wildCVE-2026-41091 CVE-2026-45498 CVE-2026-45585

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Microsoft working on patch for RoguePlanet Defender zero-day (CVE-2026-50656)

Help Net SecurityJun 17, 00:00 UTC · Jun 17, 2026Exploit / PoC CVE-2026-506561

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Review: Action1 – Simple and powerful patch management

Help Net SecurityAug 2, 04:43 UTC · Aug 2, 2024Vulnerability in the wild

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CISA adds three Microsoft Patch Tuesday bugs to vulnerability list

The RecordNov 15, 04:19 UTC · Nov 15, 2023Vulnerability in the wildCVE-2023-36033 CVE-2023-36025 CVE-2023-36036

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Android Play Protect finishes dead last in first security tests

CyberScoopOct 27, 13:37 UTC · Oct 27, 2017Exploit / PoC in the wild

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Unpatchable 'DoubleAgent' Attack Can Hijack All Windows Versions — Even Your Antivirus!

The Hacker NewsMar 22, 14:53 UTC · Mar 22, 2017Ransomware CVE-2017-5567 CVE-2017-5566 CVE-2017-6417+2 CVEs

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Microsoft Updates April 2013

Kaspersky SecurelistApr 9, 23:09 UTC · Apr 9, 2013Vulnerability in the wildCVE-2013-1296 CVE-2013-0078

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Microsoft Updates April 2013

Kaspersky SecurelistApr 9, 22:23 UTC · Apr 9, 2013Vulnerability in the wildCVE-2013-1296 CVE-2013-0078

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Why a decade-old EnCase driver still works as an EDR killer

Help Net SecurityFeb 5, 00:00 UTC · Feb 5, 2026Ransomware

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Microsoft Patch Tuesday for January 2023 — Snort rules and prominent vulnerabilities

Cisco TalosJan 10, 20:28 UTC · Jan 10, 2023Vulnerability CVE-2023-21743 CVE-2023-21535 CVE-2023-21548+13 CVEs1

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September 2020 Patch Tuesday: Microsoft fixes over 110 CVEs again

Help Net SecuritySep 8, 00:00 UTC · Sep 8, 2020Vulnerability in the wildCVE-2020-16875 CVE-2020-0688 CVE-2020-0951+5 CVEs

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Locked in heated rivalry with researcher, Microsoft fixes 0

Ars Technica · SecurityJun 9, 20:56 UTC · Jun 9, 2026Vulnerability CVE-2020-17103

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Microsoft releases fix for RoguePlanet Defender flaw (CVE-2026-50656)

Help Net SecurityJul 9, 00:00 UTC · Jul 9, 2026Vulnerability in the wildCVE-2026-50656

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US unseals complaint against Russian

The RecordDec 20, 16:00 UTC · Dec 20, 2024Ransomware

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