Search: “Microsoft Defender”

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CategoryAll Ransomware 855 Exploit / PoC 772 Malware 700 Vulnerability 669 Threat actor 326 Policy & legal 247 Data breach 220 Phishing & fraud 159 Industry 116 AI safety & security 35 Advisory 30 Research 18 Tools 16 AI industry 12

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

Security AffairsJul 1, 11:19 UTC · Jul 1, 2026Vulnerability CVE-2026-338251

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Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched

The Hacker NewsMay 14, 09:15 UTC · May 14, 2026Vulnerability in the wildCVE-2026-33825

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Microsoft March 2022 Patch Tuesday updates fix 89 vulnerabilities

Security AffairsMar 9, 00:26 UTC · Mar 9, 2022Vulnerability in the wildCVE-2022-21990 CVE-2022-24459 CVE-2022-24512+64 CVEs1

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Microsoft Defender Vulnerability Management gets a smarter exposure score

Help Net SecurityJun 1, 00:00 UTC · Jun 1, 2026Vulnerability in the wild

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Microsoft Launches Defender Bug Bounty Program

Infosecurity MagazineNov 22, 10:30 UTC · Nov 22, 2023Vulnerability

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Defending Microsoft Exchange from encrypted attacks with Cisco Secure IPS

Cisco TalosMar 23, 20:50 UTC · Mar 23, 2021Vulnerability CVE-2021-26855 CVE-2021-27065

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Chaotic Eclipse Unveils RoguePlanet Exploit Targeting Fully Patched Windows

Security AffairsJun 10, 09:45 UTC · Jun 10, 2026Vulnerability CVE-2026-33825 CVE-2026-45498 CVE-2026-41091

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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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Ontinue ION for IoT Security secures critical operational environments

Help Net SecurityFeb 4, 00:00 UTC · Feb 4, 2025Vulnerability

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June 2026 Patch Tuesday forecast: Where are the CVEs?

Help Net SecurityJun 10, 11:00 UTC · Jun 10, 2026Vulnerability CVE-2026-45659 CVE-2026-41091 CVE-2026-45498+1 CVEs1

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Microsoft Issues Patches for Defender Zero

The Hacker NewsJan 15, 00:00 UTC · Jan 15, 2021Vulnerability in the wildCVE-2021-1647 CVE-2021-1648 CVE-2021-1705+1 CVEs

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Microsoft Releases Emergency Patches for IE 0

The Hacker NewsSep 24, 07:48 UTC · Sep 24, 2019Vulnerability in the wildCVE-2019-1367 CVE-2019-1255

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Chaotic Eclipse Unveils LegacyHive Exploit Affecting Fully Patched Windows Systems

Security AffairsJul 15, 16:57 UTC · Jul 15, 2026Vulnerability in the wildCVE-2026-33825 CVE-2026-45498 CVE-2026-41091

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Microsoft Issues Patches for SharePoint Zero

The Hacker NewsApr 15, 00:00 UTC · Apr 15, 2026Vulnerability in the wildCVE-2023-20585 CVE-2026-21637 CVE-2026-25250+4 CVEs1

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March 2022 Patch Tuesday: Microsoft fixes RCEs in RDP client, Exchange Server

Help Net SecurityMar 10, 07:51 UTC · Mar 10, 2022Vulnerability in the wildCVE-2022-21990 CVE-2022-23277 CVE-2022-22006+3 CVEs

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Microsoft Patch Tuesday for July 2026 — Snort rules and prominent vulnerabilities

Cisco TalosJul 15, 14:52 UTC · Jul 15, 2026Vulnerability in the wildCVE-2026-56155 CVE-2026-56164 CVE-2026-50370+89 CVEs1

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BlueVoyant introduces Continuous Optimization for Microsoft Security

Help Net SecurityMay 7, 00:00 UTC · May 7, 2025Vulnerability

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Threat Brief: CVE-2022-30190

Palo Alto Unit 42Jun 5, 20:40 UTC · Jun 5, 2024Vulnerability CVE-2022-30190

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Threat Source newsletter (Jan. 14, 2021)

Cisco TalosJan 14, 19:00 UTC · Jan 14, 2021Vulnerability CVE-2021-1647

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Microsoft Patch Tuesday for Jan. 2021 — Snort rules and prominent vulnerabilities

Cisco TalosJan 12, 18:48 UTC · Jan 12, 2021Vulnerability CVE-2021-1647 CVE-2021-1707 CVE-2021-1709+4 CVEs

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May 2023 Patch Tuesday forecast: Dealing with End-of-Support (EOS)

Help Net SecurityJun 9, 05:19 UTC · Jun 9, 2023Vulnerability CVE-2023-2033

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Microsoft Patch Tuesday for January 2021 fixes 83 flaws, including an actively exploited issue

Security AffairsJan 13, 14:25 UTC · Jan 13, 2021Vulnerability in the wildCVE-2021-1647 CVE-2021-1648 CVE-2021-1665+10 CVEs

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Week in review: Patched curl and libcurl vulnerability, 15 free M365 security training modules

Help Net SecurityOct 15, 00:00 UTC · Oct 15, 2023Vulnerability in the wildCVE-2023-43641 CVE-2023-36563 CVE-2023-41763+3 CVEs

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Week in review: Cisco SD-WAN 0-day exploited, Patch Tuesday forecast

Help Net SecurityJun 7, 00:00 UTC · Jun 7, 2026Vulnerability in the wildCVE-2026-0257 CVE-2026-41089 CVE-2025-48595+1 CVEs

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Microsoft patches two zero-days exploited by attackers (CVE-2024-21412, CVE-2024-21351)

Help Net SecurityMar 14, 09:10 UTC · Mar 14, 2024Vulnerability CVE-2024-21412 CVE-2024-21351 CVE-2023-36025+3 CVEs1

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April’s Patch Tuesday includes 150 vulnerabilities, 60 which could lead to remote code execution

Cisco TalosApr 10, 12:15 UTC · Apr 10, 2024Vulnerability CVE-2024-21322 CVE-2024-21323 CVE-2024-29053+3 CVEs

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Microsoft Patch Tuesday for July 2021 — Snort rules and prominent vulnerabilities

Cisco TalosJul 13, 18:09 UTC · Jul 13, 2021Vulnerability in the wildCVE-2021-34448 CVE-2021-34473 CVE-2021-34464+7 CVEs

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Open Systems strengthens MDR capabilities with Ontinue division

Help Net SecurityJan 9, 11:51 UTC · Jan 9, 2024Vulnerability

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Open Systems MDR+ IoT secures IoT and OT devices alongside IT infrastructure

Help Net SecurityOct 27, 00:00 UTC · Oct 27, 2022Vulnerability

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Unpatched Windows vulnerability continues to be exploited by APTs (CVE-2025-9491)

Help Net SecurityDec 5, 09:00 UTC · Dec 5, 2025Vulnerability CVE-2025-9491

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Microsoft breaks Patch Tuesday record with 206 vulnerabilities

CyberScoopJun 9, 19:53 UTC · Jun 9, 2026Vulnerability in the wildCVE-2026-45586 CVE-2026-50507 CVE-2026-49160+2 CVEs

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Microsoft Fixes 78 Flaws, 5 Zero-Days Exploited; CVSS 10 Bug Impacts Azure DevOps Server

The Hacker NewsMay 15, 00:00 UTC · May 15, 2025Vulnerability in the wildCVE-2025-30397 CVE-2025-30400 CVE-2025-32701+10 CVEs1

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HITRUST updates Cyber Threat Adaptive engine to address emerging cyber threats

Help Net SecurityMay 2, 00:00 UTC · May 2, 2024Vulnerability

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Microsoft attributes alleged Chinese attack on Indian power grid to ‘Boa’ IoT vulnerability

The RecordJan 9, 00:00 UTC · Jan 9, 2023Vulnerability CVE-2021-35395 CVE-2022-27255 CVE-2017-9833+1 CVEs

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February security updates from Microsoft

Kaspersky SecurelistFeb 9, 16:09 UTC · Feb 9, 2007Vulnerability

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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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Microsoft Releases Urgent Patch for SharePoint RCE Flaw Exploited in Ongoing Cyber Attacks

The Hacker NewsJul 22, 07:16 UTC · Jul 22, 2025Vulnerability in the wildCVE-2025-53770 CVE-2025-53771 CVE-2025-49704+1 CVEs1

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Microsoft February 2021 Patch Tuesday fixes 56 bugs, including an actively exploited Windows zero

Security AffairsFeb 9, 22:27 UTC · Feb 9, 2021Vulnerability in the wildCVE-2021-1732 CVE-2021-24078 CVE-2021-24074+48 CVEs2

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