Search: “Cisco Secure Email”

238 stories

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DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Ransomware 238 Exploit / PoC 146 Vulnerability 119 Data breach 54 Malware 35 Threat actor 31 Phishing & fraud 12 Policy & legal 5 Advisory 5

SeverityAll critical 578 high 66 medium 1 low 0 info 0

REvil ransomware actors attack Kaseya in supply chain attack

Cisco TalosJul 3, 02:03 UTC · Jul 3, 2021Ransomware CVE-2021-30116

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Ransomware incidents in Japan during the first half of 2025

Cisco TalosAug 19, 10:00 UTC · Aug 19, 2025Ransomware

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Avos ransomware group expands with new attack arsenal

Cisco TalosJun 21, 11:58 UTC · Jun 21, 2022Ransomware CVE-2021-44228 CVE-2021-45046 CVE-2021-45105+1 CVEs

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Breaking the silence

Cisco TalosDec 8, 19:38 UTC · Dec 8, 2022Ransomware CVE-2022-31199

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Velociraptor leveraged in ransomware attacks

Cisco TalosOct 9, 10:00 UTC · Oct 9, 2025Ransomware CVE-2025-62641

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Introducing ToyMaker, an initial access broker working in cahoots with double extortion gangs

Cisco TalosApr 23, 10:00 UTC · Apr 23, 2025Ransomware

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Akira ransomware continues to evolve

Cisco TalosOct 21, 16:50 UTC · Oct 21, 2024Ransomware in the wildCVE-2024-40766 CVE-2020-3259 CVE-2023-20263+5 CVEs

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GhostSec’s joint ransomware operation and evolution of their arsenal

Cisco TalosMar 5, 13:00 UTC · Mar 5, 2024Ransomware

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The BlackByte ransomware group is striking users all over the globe

Cisco TalosMay 18, 06:00 UTC · May 18, 2022Ransomware

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The BlackByte ransomware group is striking users all over the globe

Cisco TalosMay 11, 14:07 UTC · May 11, 2022Ransomware

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New BYOVD loader behind DeadLock ransomware attack

Cisco TalosDec 9, 11:00 UTC · Dec 9, 2025Ransomware CVE-2024-51324

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Categories

Cisco TalosJul 11, 14:24 UTC · Jul 11, 2022Ransomware in the wild

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Adios 2025, you won’t be missed

Cisco TalosDec 18, 19:00 UTC · Dec 18, 2025Ransomware in the wildCVE-2025-59718 CVE-2025-59719

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Security-Affairs-Newsletter-Round-555-By-Pierluigi-Paganini-International

Security AffairsDec 21, 13:06 UTC · Dec 21, 2025Ransomware in the wildCVE-2025-59718 CVE-2025-59719 CVE-2025-40602

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Extortion and alleged ISIS threats: A Saudi embassy learned the hard way about email security

CyberScoopAug 9, 13:48 UTC · Aug 9, 2019Ransomware in the wild

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The time of much patching is coming

Cisco TalosMay 14, 18:00 UTC · May 14, 2026Ransomware in the wild

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Threat Spotlight: MedusaLocker

Cisco TalosApr 23, 15:37 UTC · Apr 23, 2020Ransomware

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Security Affairs newsletter Round 495 by Pierluigi Paganini

Security AffairsOct 27, 13:36 UTC · Oct 27, 2024Ransomware CVE-2024-37383 CVE-2024-44068 CVE-2024-47575

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The Official Talos Guide to Security Summer Camp 2018

Cisco TalosAug 6, 13:39 UTC · Aug 6, 2018Ransomware

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Aiming for the right defense strategy against ransomware threats

CyberScoopApr 21, 19:30 UTC · Apr 21, 2021Ransomware

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Security Affairs newsletter Round 425 by Pierluigi Paganini

Security AffairsJun 25, 15:26 UTC · Jun 25, 2023Ransomware in the wildCVE-2023-20178 CVE-2023-20887 CVE-2023-27992+4 CVEs

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Security Affairs newsletter Round 543 by Pierluigi Paganini

Security AffairsSep 28, 12:23 UTC · Sep 28, 2025Ransomware CVE-2025-53149 CVE-2025-10035 CVE-2025-26399

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Threat Source newsletter (March 16, 2023) — A deep dive into Talos' work in Ukraine

Cisco TalosMar 16, 18:00 UTC · Mar 16, 2023Ransomware in the wildCVE-2023-23397

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IR Q4 2023 trends: Significant increase in ransomware activity found in engagements, while education remains one of the most

Cisco TalosJan 24, 13:00 UTC · Jan 24, 2024Ransomware CVE-2020-1472

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There is no real fix to the security issues recently found in GitHub and other similar software

Cisco TalosAug 1, 18:00 UTC · Aug 1, 2024Ransomware CVE-2018-08241

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Modified Zyklon and plugins from India

Cisco TalosMay 23, 13:05 UTC · May 23, 2017Ransomware CVE-2013-3906 CVE-2012-1856

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Ransomware or Wiper? LockerGoga Straddles the Line

Cisco TalosMar 20, 18:08 UTC · Mar 20, 2019Ransomware in the wild

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Threat Source Newsletter (Nov. 18, 2021)

Cisco TalosNov 18, 19:00 UTC · Nov 18, 2021Ransomware

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Destruction of Service attacks could shut down organizations for good

Help Net SecurityJul 21, 00:00 UTC · Jul 21, 2017Ransomware

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Cryptominers, ransomware among top malware in IR engagements in Q4

Cisco TalosNov 20, 16:00 UTC · Nov 20, 2019Ransomware in the wild

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What happens when you engage Cisco Talos Incident Response?

Cisco TalosSep 24, 10:00 UTC · Sep 24, 2025Ransomware

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Threat Source newsletter (March 4, 2021)

Cisco TalosMar 4, 19:00 UTC · Mar 4, 2021Ransomware

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Security Affairs newsletter Round 541 by Pierluigi Paganini

Security AffairsSep 14, 12:09 UTC · Sep 14, 2025Ransomware in the wildCVE-2025-53136

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Talos "In the Headlines"

Cisco TalosDec 19, 16:48 UTC · Dec 19, 2025Ransomware CVE-2021-1675 CVE-2021-34527

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Security Affairs newsletter Round 503 by Pierluigi Paganini

Security AffairsDec 22, 14:59 UTC · Dec 22, 2024Ransomware CVE-2024-53677 CVE-2023-50164

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There are plenty of ways to improve cybersecurity that don’t involve making workers return to a physical office

Cisco TalosApr 4, 18:00 UTC · Apr 4, 2024Ransomware CVE-2024-3094

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Available now: 2024 Year in Review

Cisco TalosMar 31, 09:53 UTC · Mar 31, 2025Ransomware

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More helpful resources for users of all skill levels to help you Take a Security Action

Cisco TalosOct 19, 18:00 UTC · Oct 19, 2023Ransomware in the wildCVE-2023-20198

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Week in review: DevOps security, macOS root password bug, and the evil of vanity metrics

Help Net SecurityDec 3, 00:00 UTC · Dec 3, 2017Ransomware

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Threat Source newsletter (July 7, 2022) — Teamwork makes the dream work

Cisco TalosJul 7, 18:00 UTC · Jul 7, 2022Ransomware in the wildCVE-2022-2294 CVE-2022-2295

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