Search: “Windows Defender”

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CategoryAll Malware 670 Ransomware 631 Vulnerability 554 Exploit / PoC 261 Threat actor 175 Data breach 106 Policy & legal 77 Industry 67 Phishing & fraud 60 AI safety & security 23 Advisory 20 Research 18 AI industry 9 Tools 8

SeverityAll critical 1128 high 849 medium 537 low 98 info 78

Week in review: CISO do’s and don’ts, Windows Defender scan fail, new issue of (IN)SECURE

Help Net SecurityMay 12, 11:55 UTC · May 12, 2020Data breach

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Iranian Hackers Compromised a U.S. Federal Agency’s Network Using Log4Shell Exploit

The Hacker NewsNov 17, 08:45 UTC · Nov 17, 2022Data breach CVE-2021-44228

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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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Week in review: Accenture data breach, great open-source cybersecurity tools

Help Net SecurityJul 12, 00:00 UTC · Jul 12, 2026Data breach in the wildCVE-2026-48282 CVE-2026-55255 CVE-2026-506561

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Sen. Warner: AI firms should put security at the center of their work

CyberScoopApr 26, 20:42 UTC · Apr 26, 2023Data breach in the wild

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New Coronavirus

Security AffairsMar 21, 21:27 UTC · Mar 21, 2020Data breach

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THN Weekly Roundup — Top 10 Stories You Should Not Miss

The Hacker NewsDec 11, 09:45 UTC · Dec 11, 2017Data breach CVE-2017-11937

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Week in review: Insider threat essentials, tracing IP hijackers, cryptojacking worm hits Docker hosts

Help Net SecurityOct 20, 00:00 UTC · Oct 20, 2019Data breach CVE-2019-2215

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THN Recap: Top Cybersecurity Threats, Tools, and Practices (Nov 04

The Hacker NewsNov 18, 03:51 UTC · Nov 18, 2024Data breach CVE-2020-12271 CVE-2020-15069 CVE-2020-29574+19 CVEs1

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CrowdStrike customers can now reduce endpoint attack surface with Automox through CrowdStrike Store

Help Net SecurityApr 3, 00:00 UTC · Apr 3, 2020Data breach

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Australia to tighten privacy laws, increase fines after series of data breaches

The RecordJan 4, 00:00 UTC · Jan 4, 2023Data breach

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A personal Year in Review to round out 2023

Cisco TalosDec 14, 19:55 UTC · Dec 14, 2023Data breach

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Week in review: Acrobat Reader flaw exploited, Claude Mythos offensive capabilities and limits

Help Net SecurityApr 19, 00:00 UTC · Apr 19, 2026Data breach in the wildCVE-2026-34621 CVE-2026-39813 CVE-2026-39808

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Five Eyes agencies detail how Chinese hackers breached US infrastructure

Help Net SecurityMay 25, 00:00 UTC · May 25, 2023Data breach CVE-2021-40539 CVE-2021-27860

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Product Explained: Memcyco's Real

The Hacker NewsDec 20, 11:05 UTC · Dec 20, 2023Data breach

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Week in review: GitHub breached via poisoned VS Code extension, critical NGINX flaw exploited

Help Net SecurityMay 24, 00:00 UTC · May 24, 2026Data breach in the wildCVE-2026-42945 CVE-2026-45585 CVE-2026-41091+1 CVEs

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Security Affairs newsletter Round 561 by Pierluigi Paganini

Security AffairsFeb 2, 09:39 UTC · Feb 2, 2026Data breach in the wildCVE-2026-24858 CVE-2025-40551 CVE-2025-8088

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Update, March 13: Talos on the developing situation in the Middle East

Cisco TalosMar 3, 00:55 UTC · Mar 3, 2026Data breach1

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NetTraveler Is Back: The ‘Red Star’ APT Returns With New Tricks

Kaspersky SecurelistSep 3, 20:59 UTC · Sep 3, 2013Data breach CVE-2013-2465 CVE-2012-0158

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⚡ THN Weekly Recap: From $1.5B Crypto Heist to AI Misuse & Apple’s Data Dilemma

The Hacker NewsMay 6, 07:05 UTC · May 6, 2025Data breach CVE-2018-0171 CVE-2025-24989 CVE-2025-23209+32 CVEs

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Threat Source newsletter (Oct. 15, 2020)

Cisco TalosOct 15, 18:00 UTC · Oct 15, 2020Data breach

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CSOs reveal true cost of breaches

Help Net SecurityFeb 1, 00:00 UTC · Feb 1, 2017Data breach

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Using Real

Recorded FutureNov 27, 00:00 UTC · Nov 27, 2025Data breach

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Week in review: Actively exploited Windows 0-day, ICS and IoT security

Help Net SecurityNov 6, 00:00 UTC · Nov 6, 2016Data breach in the wild

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Twins with hacking history charged in insider data breach affecting multiple federal agencies

CyberScoopDec 3, 23:52 UTC · Dec 3, 2025Data breach in the wild

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Week in review: BootHole, RCEs in industrial VPNs, the cybersecurity profession crisis

Help Net SecurityAug 2, 00:00 UTC · Aug 2, 2020Data breach CVE-2020-3452 CVE-2020-10713

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Pulse Zero Trust Access simplifies management and mitigates cyber risks

Help Net SecurityJul 29, 00:00 UTC · Jul 29, 2020Data breach

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Into the Breach: Breaking Down 3 SaaS App Cyber Attacks in 2022

The Hacker NewsApr 7, 13:00 UTC · Apr 7, 2022Data breach

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Week in review: ChatGPT cybersecurity, critical RCE vulnerabilities found in git, Riot Games breached

Help Net SecurityJan 29, 00:00 UTC · Jan 29, 2023Data breach CVE-2022-42856 CVE-2022-31706 CVE-2022-31704+3 CVEs

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Week in review: ServiceNow pre-auth RCE exploited in the wild, Hugging Face breached

Help Net SecurityJul 26, 00:00 UTC · Jul 26, 2026Data breach in the wildCVE-2026-6875 CVE-2026-15409 CVE-2026-15410+4 CVEs

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It’s Friday, I’m [Writing That Typical CISO Email]

Recorded FutureJun 27, 00:00 UTC · Jun 27, 2025Data breach

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159 CVEs Exploited in Q1 2025 — 28.3% Within 24 Hours of Disclosure

The Hacker NewsApr 24, 15:51 UTC · Apr 24, 2025Data breach in the wild

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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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⚡ Weekly Recap: SD-WAN 0-Day, Critical CVEs, Telegram Probe, Smart TV Proxy SDK and More

The Hacker NewsMar 2, 13:26 UTC · Mar 2, 2026Data breach in the wildCVE-2026-20127 CVE-2025-40538 CVE-2025-40539+27 CVEs

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Pro-Ukraine Hacktivists Ground Dozens of Aeroflot Flights

Infosecurity MagazineJul 29, 09:30 UTC · Jul 29, 2025Data breach

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Week in review: CrowdStrike update causes widespread IT outage, critical Splunk Enterprise flaw

Help Net SecurityJul 29, 16:16 UTC · Jul 29, 2024Data breach CVE-2024-36991 CVE-2024-39929 CVE-2024-20401+2 CVEs

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Why Modern SOCs Need Multi

The Hacker NewsJul 22, 11:25 UTC · Jul 22, 2026Data breach

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OpenAI AI Model Used JFrog Artifactory Zero

Security AffairsJul 29, 11:01 UTC · Jul 29, 2026Data breach CVE-2026-65617 CVE-2026-65925 CVE-2026-65921+6 CVEs

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⚡ Weekly Recap: Qualcomm 0-Day, iOS Exploit Chains, AirSnitch Attack & Vibe

The Hacker NewsMar 9, 18:22 UTC · Mar 9, 2026Data breach in the wildCVE-2026-21385 CVE-2026-2796 CVE-2026-2256+13 CVEs

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No, not every Social Security number in the U.S. was stolen

Cisco TalosAug 22, 18:00 UTC · Aug 22, 2024Data breach in the wildCVE-2024-381931

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