Search: “observations”

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

CategoryAll Malware 4043 Ransomware 2900 Vulnerability 2299 Threat actor 1605 Exploit / PoC 1435 Phishing & fraud 767 Data breach 762 Industry 588 Policy & legal 490 Research 191 AI safety & security 171 AI research 125 AI tools & infra 115 Advisory 94

SeverityAll critical 5345 high 5354 medium 3245 low 1277 info 525

Exposing HelloXD Ransomware and x4k

Palo Alto Unit 42Jun 5, 20:37 UTC · Jun 5, 2024Ransomware

57

Cisco Talos shares insights related to recent cyber attack on Cisco

Cisco TalosAug 10, 19:30 UTC · Aug 10, 2022Ransomware

60

Talos "In the Headlines"

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

60

SecureX

Cisco TalosSep 12, 15:32 UTC · Sep 12, 2022Ransomware CVE-2021-1675 CVE-2021-34527

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IR Trends: Ransomware on the rise, while technology becomes most targeted sector

Cisco TalosJul 25, 10:00 UTC · Jul 25, 2024Ransomware1

60

Cryptominers, ransomware among top malware in IR engagements in Q4

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

60

Threats

Cisco TalosSep 9, 18:46 UTC · Sep 9, 2022Ransomware in the wildCVE-2025-20333 CVE-2025-20362 CVE-2024-4577

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SQUIRRELWAFFLE Leverages malspam to deliver Qakbot, Cobalt Strike

Cisco TalosOct 26, 12:00 UTC · Oct 26, 2021Ransomware

45

Vice Society leverages PrintNightmare in ransomware attacks

Cisco TalosAug 12, 22:33 UTC · Aug 12, 2021Ransomware CVE-2021-1675 CVE-2021-34527

60

Attacks on web applications spike in third quarter, new Talos IR data shows

Cisco TalosOct 24, 12:00 UTC · Oct 24, 2023Ransomware

60

Novel News on Cuba Ransomware: Greetings From Tropical Scorpius

Palo Alto Unit 42Jun 5, 20:16 UTC · Jun 5, 2024Ransomware

57

Quarterly Report: Incident Response Trends in Q3 2022

Cisco TalosOct 25, 12:00 UTC · Oct 25, 2022Ransomware CVE-2020-1472

60

Quarterly Report: Incident Response trends from Q3 2021

Cisco TalosOct 28, 12:00 UTC · Oct 28, 2021Ransomware CVE-2021-30116

60

Observing Attacks Against Hundreds of Exposed Services in Public Clouds

Palo Alto Unit 42Jun 6, 01:09 UTC · Jun 6, 2024Ransomware

57

Quarterly Report: Incident Response Trends in Q1 2023

Cisco TalosApr 26, 12:00 UTC · Apr 26, 2023Ransomware

57

Talos IR trends Q4 2024: Web shell usage and exploitation of public

Cisco TalosJan 30, 11:00 UTC · Jan 30, 2025Ransomware

57

Ransom Cartel Ransomware: A Possible Connection With REvil

Palo Alto Unit 42Jun 5, 17:50 UTC · Jun 5, 2024Ransomware

57

Incident Response trends Q2 2023: Data theft extortion rises, while healthcare is still most

Cisco TalosJul 26, 12:00 UTC · Jul 26, 2023Ransomware in the wildCVE-2023-0669 CVE-2021-27101 CVE-2021-27102+3 CVEs

60

Quarterly Report: Incident Response trends in Q1 2022

Cisco TalosApr 26, 13:11 UTC · Apr 26, 2022Ransomware in the wildCVE-2021-44228 CVE-2021-45046 CVE-2021-22204+1 CVEs

60

Quarterly Report: Incident Response trends from Spring 2021

Cisco TalosJun 10, 12:00 UTC · Jun 10, 2021Ransomware CVE-2021-26855 CVE-2021-26857 CVE-2021-26858+4 CVEs

60

IR Trends Q3 2025: ToolShell attacks dominate, highlighting criticality of segmentation and rapid response

Cisco TalosOct 23, 10:00 UTC · Oct 23, 2025Ransomware in the wildCVE-2025-53770 CVE-2025-53771 CVE-2025-49704+1 CVEs1

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Q3 Malware Trends: Ransomware Extorts Education, Emotet and Crypto Mining Malware Evolve, and Android Malware Persists

Recorded FutureNov 21, 00:00 UTC · Nov 21, 2025Ransomware

57

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

60

Sowing Discord: Reaping the benefits of collaboration app abuse

Cisco TalosApr 7, 12:06 UTC · Apr 7, 2021Ransomware1

57

Quarterly Report: Incident Response trends from Fall 2020

Cisco TalosDec 9, 14:32 UTC · Dec 9, 2020Ransomware CVE-2020-0688 CVE-2020-116511 CVE-2020-11652+1 CVEs

60

Unwrapping the emerging Interlock ransomware attack

Cisco TalosNov 7, 11:00 UTC · Nov 7, 2024Ransomware

57

Quarterly Report: Incident Response Trends in Q4 2022

Cisco TalosJan 26, 09:00 UTC · Jan 26, 2023Ransomware

60

Quarterly Report: Incident Response trends from Winter 2020

Cisco TalosMar 24, 12:26 UTC · Mar 24, 2021Ransomware CVE-2021-26855 CVE-2020-5902 CVE-2019-18935

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Quarterly report: Incident Response trends in Summer 2020

Cisco TalosJun 15, 14:55 UTC · Jun 15, 2020Ransomware CVE-2019-19781 CVE-2019-11510

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Threat landscape for industrial automation systems. Q1 2026

Kaspersky SecurelistJul 7, 10:00 UTC · Jul 7, 2026Ransomware

57

Stopping ransomware before it starts: Lessons from Cisco Talos Incident Response

Cisco TalosSep 8, 10:00 UTC · Sep 8, 2025Ransomware

57

Talos Threat Spotlights

Cisco TalosApr 14, 00:00 UTC · Apr 14, 2022Ransomware in the wildCVE-2024-45771

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Back from vacation: Analyzing Emotet’s activity in 2020

Cisco TalosNov 18, 16:00 UTC · Nov 18, 2020Ransomware

57

Latin America and the Caribbean Cybercrime Landscape

Recorded FutureApr 1, 00:00 UTC · Apr 1, 2026Ransomware

60

RaaS proliferation: 14 new ransomware groups target organizations worldwide

Help Net SecurityJul 25, 00:00 UTC · Jul 25, 2023Ransomware

57

Quarterly Report: Incident Response Trends in Q2 2022

Cisco TalosJul 26, 14:03 UTC · Jul 26, 2022Ransomware CVE-2021-44228 CVE-2021-45046

60

Talos Incident Response year-in

Cisco TalosJan 22, 13:30 UTC · Jan 22, 2022Ransomware in the wildCVE-2021-31207

60

Back from the dead: Emotet re-emerges, begins rebuilding to wrap up 2021

Cisco TalosNov 22, 13:00 UTC · Nov 22, 2021Ransomware

57

Ewind

Palo Alto Unit 42Nov 1, 10:48 UTC · Nov 1, 2018Ransomware

57

Uncovering Qilin attack methods exposed through multiple cases

Cisco TalosOct 27, 02:00 UTC · Oct 27, 2025Ransomware

57