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CategoryAll Vulnerability 529 Industry 503 Malware 466 Ransomware 343 Policy & legal 259 Data breach 195 Threat actor 171 Exploit / PoC 166 Phishing & fraud 114 AI tools & infra 68 Advisory 60 Research 48 AI safety & security 39 AI industry 37

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It’s time for security operations to ditch Excel

Help Net SecurityFeb 26, 00:00 UTC · Feb 26, 2024Vulnerability

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Microsoft fixes 159 vulnerabilities in first Patch Tuesday of 2025

CyberScoopJan 14, 21:55 UTC · Jan 14, 2025Vulnerability in the wildCVE-2025-21298 CVE-2025-21307 CVE-2025-21311+3 CVEs

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Belarus-Linked Ghostwriter Uses Macropack-Obfuscated Excel Macros to Deploy Malware

The Hacker NewsFeb 25, 15:54 UTC · Feb 25, 2025Malware

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Malware evolution: April

Kaspersky SecurelistJul 21, 11:41 UTC · Jul 21, 2006Malware

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Bitter APT adds Bangladesh to their targets

Cisco TalosMay 11, 12:00 UTC · May 11, 2022Exploit / PoC CVE-2017-11882 CVE-2018-0798 CVE-2018-0802+1 CVEs

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U.S. CISA adds Microsoft SharePoint Server, and Microsoft Office Excel flaws to its Known Exploited Vulnerabilities catalog

Security AffairsMay 26, 22:32 UTC · May 26, 2026Exploit / PoC in the wildCVE-2009-0238 CVE-2026-322011

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U.S. CISA adds Microsoft Internet Explorer, Microsoft Office Excel, and WinRAR flaws to its Known Exploited Vulnerabilities catalog

Security AffairsAug 14, 00:12 UTC · Aug 14, 2025Exploit / PoC in the wildCVE-2013-3893 CVE-2007-0671 CVE-2025-8088

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Microsoft patches actively exploited Exchange, Excel zero-days (CVE-2021-42321, CVE-2021-42292)

Help Net SecurityNov 9, 00:00 UTC · Nov 9, 2021Exploit / PoC in the wildCVE-2021-42321 CVE-2021-42292 CVE-2021-38666+2 CVEs

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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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The role of AI in cybersecurity operations

Help Net SecurityAug 5, 00:00 UTC · Aug 5, 2024Vulnerability

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Microsoft Issues Patches for Actively Exploited Excel, Exchange Server 0

The Hacker NewsNov 10, 06:24 UTC · Nov 10, 2021Vulnerability in the wildCVE-2021-42321 CVE-2021-42292 CVE-2021-43208+16 CVEs

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Embassies targeted in ongoing spearphishing campaign that weaponized Microsoft Excel files

CyberScoopApr 22, 19:47 UTC · Apr 22, 2019Threat actor in the wild

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Microsoft Patch Tuesday

Cisco TalosApr 10, 20:13 UTC · Apr 10, 2018Vulnerability CVE-2018-0870 CVE-2018-0959 CVE-2018-0979+43 CVEs

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BlackEnergy APT Attacks in Ukraine employ spearphishing with Word documents

Kaspersky SecurelistJan 28, 11:01 UTC · Jan 28, 2016Malware

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Microsoft Patch Tuesday

Cisco TalosNov 14, 19:54 UTC · Nov 14, 2017Vulnerability CVE-2017-16367 CVE-2017-11836 CVE-2017-11837+47 CVEs

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Vulnerability Deep Dive - Ichitaro Office Excel File Code Execution Vulnerability

Cisco TalosFeb 24, 17:42 UTC · Feb 24, 2017Vulnerability in the wildCVE-2017-2790

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NIST launches self

CyberScoopSep 22, 09:30 UTC · Sep 22, 2016Exploit / PoC in the wild

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Layered security becomes critical as malware attacks rise

Help Net SecuritySep 25, 00:00 UTC · Sep 25, 2020Malware

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Microsoft Patch Tuesday

Cisco TalosJan 9, 21:36 UTC · Jan 9, 2018Vulnerability CVE-2018-0758 CVE-2018-0762 CVE-2018-0767+51 CVEs

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

Cisco TalosMar 10, 22:23 UTC · Mar 10, 2026Vulnerability CVE-2026-26110 CVE-2026-26113 CVE-2026-26144+14 CVEs

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Cybersecurity on a budget: Strategies for an economic downturn

Cisco TalosOct 29, 10:00 UTC · Oct 29, 2025Ransomware

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Chinese Hackers Exploited New Zero

The Hacker NewsDec 28, 11:07 UTC · Dec 28, 2023Exploit / PoC in the wildCVE-2023-7102 CVE-2023-2868 CVE-2023-7101

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Microsoft Alerts Cryptocurrency Industry of Targeted Cyberattacks

The Hacker NewsDec 10, 05:31 UTC · Dec 10, 2022Data breach

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Microsoft Patch Tuesday, November 2021 Edition

Krebs on SecurityNov 10, 01:43 UTC · Nov 10, 2021Vulnerability in the wildCVE-2021-42292 CVE-2021-42321 CVE-2021-38631+2 CVEs

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Entrust CryptoCoE: Enabling enterprises to take command of their crypto instances

Help Net SecurityNov 20, 00:00 UTC · Nov 20, 2020Industry

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How to build up cybersecurity for medical devices

Help Net SecurityNov 10, 13:08 UTC · Nov 10, 2020Vulnerability

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The battle against ransomware: Lessons from the front lines

Help Net SecurityApr 28, 00:00 UTC · Apr 28, 2020Ransomware

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Kaspersky Lab discovered the cyber espionage campaign "Red October"

Security AffairsAug 12, 17:52 UTC · Aug 12, 2019Threat actor CVE-2009-3129 CVE-2010-3333 CVE-2012-0158

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Microsoft Patch Tuesday

Cisco TalosMay 8, 19:02 UTC · May 8, 2018Vulnerability CVE-2018-4944 CVE-2018-8174 CVE-2018-0959+61 CVEs1

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Microsoft Patch Tuesday

Cisco TalosDec 12, 23:32 UTC · Dec 12, 2017Vulnerability in the wildCVE-2017-11886 CVE-2017-11888 CVE-2017-11889+31 CVEs

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Finns plan NATO

CyberScoopNov 30, 13:34 UTC · Nov 30, 2016Exploit / PoC in the wild

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Another Adobe Flash zero

Kaspersky SecurelistApr 12, 02:13 UTC · Apr 12, 2011Exploit / PoC

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Friday Squid Blogging: Victims of Unregulated Squid Fishing

Schneier on SecurityJun 19, 21:04 UTC · Jun 19, 2026Phishing & fraud1

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

Cisco TalosJan 13, 18:29 UTC · Jan 13, 2026Vulnerability in the wildCVE-2026-20805 CVE-2026-20822 CVE-2026-20854+14 CVEs

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4 Ways To Use Time To Level Up Your Security Monitoring

Help Net SecurityOct 3, 00:00 UTC · Oct 3, 2025Data breach

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CyberScoop 50 reveals 2025 winners; honors Amit Yoran with lifetime award

CyberScoopAug 11, 14:36 UTC · Aug 11, 2025Exploit / PoC in the wild

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Is XBOW’s success the beginning of the end of human

CyberScoopJul 14, 12:46 UTC · Jul 14, 2025Vulnerability

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Microsoft Patch Tuesday for January 2025 — Snort rules and prominent vulnerabilities

Cisco TalosJan 14, 21:15 UTC · Jan 14, 2025Vulnerability CVE-2025-21309 CVE-2025-21298 CVE-2025-21294+22 CVEs

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Accenture expands partnership with Google Cloud to boost AI adoption and cybersecurity

Help Net SecurityAug 30, 00:00 UTC · Aug 30, 2024Exploit / PoC

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