Search: “Microsoft Authenticator”

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CategoryAll Vulnerability 1083 Ransomware 683 Exploit / PoC 673 Malware 559 Data breach 410 Phishing & fraud 394 Threat actor 374 Policy & legal 140 Industry 136 Advisory 37 AI tools & infra 35 Research 24 AI safety & security 20 AI industry 19

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ExtraHop expands decryption support for Microsoft authentication and application protocols

Help Net SecurityNov 4, 00:00 UTC · Nov 4, 2021Ransomware

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A flaw in Microsoft OAuth authentication could lead Azure account takeover

Security AffairsDec 3, 19:08 UTC · Dec 3, 2019Ransomware

57

⚡ Weekly Recap: Proxy Botnets, Browser Ransomware, AI Agent Tricks, Fake PoC Malware and More

The Hacker NewsJul 6, 13:02 UTC · Jul 6, 2026Ransomware CVE-2026-48276 CVE-2026-48283 CVE-2026-48277+69 CVEs1

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Week in review: Microsoft fixes two actively exploited bugs, MSI private code signing keys leaked

Help Net SecurityMay 14, 00:00 UTC · May 14, 2023Ransomware in the wildCVE-2023-29324 CVE-2023-29336 CVE-2023-249321

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DEBULL Tooling Abuses Microsoft Device

The Hacker NewsJul 8, 14:12 UTC · Jul 8, 2026Ransomware

57

After $380M hack, Clorox sues its “service desk” vendor for simply giving out passwords

Ars Technica · SecurityJul 23, 19:46 UTC · Jul 23, 2025Ransomware

57

Threat Source newsletter (Aug. 5, 2021)

Cisco TalosAug 5, 17:46 UTC · Aug 5, 2021Ransomware

57

Database Breaches Remain the Top Cyber Threat for Organizations

Recorded FutureAug 21, 00:00 UTC · Aug 21, 2025Ransomware

57

Microsoft OneDrive users get an even more secure Personal Vault

Help Net SecurityJun 26, 00:00 UTC · Jun 26, 2019Ransomware

57

Windows 10 Will Now Let You Reset Forgotten Password Directly From the Lock Screen

The Hacker NewsJul 17, 07:08 UTC · Jul 17, 2017Ransomware

57

Microsoft and Okta confirm, detail impact of Lapsus$ gang's attacks

Help Net SecurityMar 23, 00:00 UTC · Mar 23, 2022Ransomware

57

SharePoint Flaws Used to Hack Switzerland's Federal IT Agency

Security AffairsAug 4, 20:16 UTC · Aug 4, 2026Ransomware in the wildCVE-2026-505221

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⚡ Weekly Recap: Chrome 0-Day, AI Hacking Tools, DDR5 Bit

The Hacker NewsSep 22, 15:16 UTC · Sep 22, 2025Ransomware in the wildCVE-2025-10585 CVE-2025-55241 CVE-2025-10035+14 CVEs1

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Threat Source newsletter (Sept. 16, 2021)

Cisco TalosSep 16, 18:00 UTC · Sep 16, 2021Ransomware in the wildCVE-2021-40444 CVE-2021-36965 CVE-2021-26435

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Microsoft Fixes Seven Zero

Infosecurity MagazineMay 14, 09:20 UTC · May 14, 2025Ransomware in the wildCVE-2025-32701 CVE-2025-32709 CVE-2025-30397+7 CVEs

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Attackers Use Fake OAuth Apps with Tycoon Kit to Breach Microsoft 365 Accounts

The Hacker NewsAug 1, 13:02 UTC · Aug 1, 2025Ransomware

57

The biggest cyber threats organizations deal with today

Help Net SecuritySep 30, 00:00 UTC · Sep 30, 2020Ransomware

60

CISA removes 'PetitPotam' bug from catalog after Microsoft warns of risk to domain controllers

The RecordJan 12, 00:00 UTC · Jan 12, 2023Ransomware in the wildCVE-2022-26925 CVE-2021-36942

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Almost 2,000 Exchange servers hacked using ProxyShell exploit

The RecordDec 15, 00:00 UTC · Dec 15, 2022Ransomware CVE-2021-34473 CVE-2021-34523 CVE-2021-31207

60

Threat Source newsletter (March 24, 2022) — Of course the deepfake videos are here

Cisco TalosMar 24, 18:00 UTC · Mar 24, 2022Ransomware

60

Incident Response Analyst Report of 2019

Kaspersky SecurelistAug 6, 10:00 UTC · Aug 6, 2020Ransomware

57

Hackers Attempt to Exploit New SolarWinds Serv

The Hacker NewsJan 23, 06:42 UTC · Jan 23, 2022Ransomware CVE-2021-35247 CVE-2021-35211

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Zerologon attack lets hackers to compromise a Windows domain

Security AffairsSep 14, 11:48 UTC · Sep 14, 2020Ransomware CVE-2020-1472

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Week in review: Kali Linux 2021.3, how to avoid cloud configuration breaches, hybrid digital dexterity

Help Net SecurityFeb 28, 14:42 UTC · Feb 28, 2022Ransomware CVE-2021-30860 CVE-2021-30858 CVE-2021-40444

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Threat Roundup for June 18 to June 25

Cisco TalosJun 25, 22:27 UTC · Jun 25, 2021Ransomware

57

2025 Cloud Threat Hunting and Defense Landscape

Recorded FutureNov 6, 00:00 UTC · Nov 6, 2025Ransomware

57

How to prevent corporate credentials ending up on the dark web

Help Net SecurityJul 27, 00:00 UTC · Jul 27, 2021Ransomware

57

Critical SonicWall SSLVPN Bug Exploited By Ransomware Actors

Infosecurity MagazineSep 10, 09:40 UTC · Sep 10, 2024Ransomware in the wildCVE-2024-40766

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October 2025 CVE Landscape

Recorded FutureDec 9, 00:00 UTC · Dec 9, 2025Ransomware in the wildCVE-2025-59287 CVE-2025-61882 CVE-2025-41244+29 CVEs

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WAFs can't give organizations the security they need

Help Net SecurityFeb 16, 00:00 UTC · Feb 16, 2022Ransomware

60

Week in review: Microsoft fixes exploited 0-day, top cybersecurity books for your holiday gift list

Help Net SecurityDec 15, 00:00 UTC · Dec 15, 2024Ransomware CVE-2024-49138 CVE-2024-21944

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Microsoft patches zero-days used by state-sponsored and ransomware threat actors (CVE-2023-23397, CVE-2023-24880)

Help Net SecurityMar 14, 00:00 UTC · Mar 14, 2023Ransomware in the wildCVE-2023-23397 CVE-2023-24880 CVE-2022-44698+3 CVEs

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CISA says SonicWall bug being exploited as experts warn of ransomware gang use

The RecordSep 9, 20:15 UTC · Sep 9, 2024Ransomware CVE-2024-40766

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+20,000 internet-exposed VMware ESXi instances vulnerable to CVE-2024

Security AffairsAug 1, 20:28 UTC · Aug 1, 2024Ransomware in the wildCVE-2024-37085

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Hackers Use Fake Microsoft Entra Passkey Enrollment to Gain Microsoft 365 Access

The Hacker NewsJul 10, 10:30 UTC · Jul 10, 2026Ransomware1

45

Ransomware attackers hop from on-premises systems to cloud to compromise Microsoft 365 accounts

Help Net SecuritySep 30, 00:00 UTC · Sep 30, 2024Ransomware1

57

DHS to Review Microsoft’s Security in Chinese Email Hack

Infosecurity MagazineAug 11, 15:45 UTC · Aug 11, 2023Ransomware

45

Extortion crew hijacks Microsoft 365 accounts via fake passkey setup

Help Net SecurityJul 9, 00:00 UTC · Jul 9, 2026Ransomware

45

A Closer Look at the LAPSUS$ Data Extortion Group

Krebs on SecurityMar 23, 22:24 UTC · Mar 23, 2022Ransomware

57

⚡ THN Weekly Recap: Top Cybersecurity Threats, Tools and Tips [20 January]

The Hacker NewsJan 20, 12:04 UTC · Jan 20, 2025Ransomware CVE-2025-21333 CVE-2025-21334 CVE-2025-21335+36 CVEs

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