Search: “Microsoft Defender Experts”

208 stories

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

CategoryAll Ransomware 208 Exploit / PoC 188 Malware 157 Vulnerability 144 Threat actor 67 Policy & legal 63 Data breach 55 Industry 26 Phishing & fraud 25 Advisory 7 AI safety & security 6 Research 3 AI industry 3 AI tools & infra 2

SeverityAll critical 566 high 199 medium 127 low 41 info 23

HardBit ransomware version 4.0 supports new obfuscation techniques

Security AffairsJul 15, 11:14 UTC · Jul 15, 2024Ransomware

57

Clop Ransomware attempts to disable Win Defender and Malwarebytes

Security AffairsDec 2, 14:41 UTC · Dec 2, 2019Ransomware

57

‘Denim Tsunami’ and ‘Mulberry Typhoon’: Microsoft alters the way it names hacking groups

The RecordApr 19, 13:52 UTC · Apr 19, 2023Ransomware

57

Cyber Threat Detection Vendors Pull Out of MITRE Evaluations Test

Infosecurity MagazineSep 22, 14:00 UTC · Sep 22, 2025Ransomware

60

From exploits to honeypots: How the security community is preparing for BlueKeep’s moment of truth

CyberScoopJul 9, 19:01 UTC · Jul 9, 2019Ransomware in the wild

60

Watch Out — Microsoft Warns Android Users About A New Ransomware

The Hacker NewsOct 12, 07:52 UTC · Oct 12, 2020Ransomware

60

Raspberry Robin operators are selling initial access to compromised enterprise networks to ransomware gangs

Security AffairsOct 27, 21:05 UTC · Oct 27, 2022Ransomware

57

LockBit 2.0 uses group policies to encrypt Windows domains

Security AffairsJul 29, 10:54 UTC · Jul 29, 2021Ransomware

57

Medusa ransomware group using zero-days to launch attacks within 24 hours of breach, Microsoft says

The RecordApr 6, 20:11 UTC · Apr 6, 2026Ransomware CVE-2026-23760 CVE-2025-10035

60

Black Basta affiliates used Microsoft Teams in recent attacks

Security AffairsOct 28, 08:07 UTC · Oct 28, 2024Ransomware

57

Semperis extends its Active Directory protection to businesses in APAC market

Help Net SecuritySep 3, 00:00 UTC · Sep 3, 2021Ransomware

60

Once an NSA favorite, this leaked hacking tool will wreak havoc for years to come

CyberScoopMay 25, 14:04 UTC · May 25, 2017Ransomware in the wild

60

After remote-code test, DHS sounds the alarm on BlueKeep

CyberScoopJun 17, 21:38 UTC · Jun 17, 2019Ransomware in the wild1

60

Experts link the Black Basta ransomware operation to FIN7 cybercrime gang

Security AffairsNov 3, 12:34 UTC · Nov 3, 2022Ransomware CVE-2022-30190

60

Microsoft investigating alleged Exchange zero

The RecordJan 10, 00:00 UTC · Jan 10, 2023Ransomware in the wildCVE-2022-41040 CVE-2022-41082

60

Security Affairs newsletter Round 463 by Pierluigi Paganini

Security AffairsMar 17, 12:23 UTC · Mar 17, 2024Ransomware CVE-2024-21412 CVE-2024-14031

60

Mozi infections will slightly decrease but it will stay alive for some time to come

Security AffairsSep 1, 21:25 UTC · Sep 1, 2021Ransomware

57

BlackByte ransomware breached at least 3 US critical infrastructure organizations

Security AffairsFeb 14, 21:11 UTC · Feb 14, 2022Ransomware

60

Deepwatch SecOps Platform enhancements detect and contain identity threats

Help Net SecurityFeb 9, 00:00 UTC · Feb 9, 2023Ransomware

60

Worries mount over max

CyberScoopSep 26, 14:30 UTC · Sep 26, 2025Ransomware in the wildCVE-2025-10035 CVE-2023-0669

60

Microsoft Brings Defender Antivirus for Linux, Coming Soon for Android and iOS

The Hacker NewsFeb 21, 16:50 UTC · Feb 21, 2020Ransomware

57

Microsoft disrupts cybercrime service that abused software verification systems en masse

CyberScoopMay 19, 15:00 UTC · May 19, 2026Ransomware in the wild

60

Microsoft warns of more disruptive BlueKeep Attacks

Security AffairsNov 8, 13:28 UTC · Nov 8, 2019Ransomware in the wildCVE-2019-0708

60

Week in review: Manage the risk of ChatGPT use, know the danger of failed Okta logins

Help Net SecurityMar 26, 00:00 UTC · Mar 26, 2023Ransomware in the wild

60

What defenders are learning from Black Basta's leaked chat logs

CyberScoopFeb 24, 16:45 UTC · Feb 24, 2025Ransomware in the wild

60

Microsoft says Warlock ransomware deployed in SharePoint attacks as governments scramble

The RecordJul 24, 16:00 UTC · Jul 24, 2025Ransomware CVE-2025-49706

60

Threat Source newsletter (June 2, 2022) — An RSA Conference primer

Cisco TalosJun 2, 18:00 UTC · Jun 2, 2022Ransomware CVE-2022-30190

60

THN Cybersecurity Recap: Top Threats and Trends (Sep 30

The Hacker NewsOct 7, 12:34 UTC · Oct 7, 2024Ransomware in the wild

60

FBI, CISA, NSA published a joint advisory on BlackMatter ransomware ops

Security AffairsOct 19, 07:06 UTC · Oct 19, 2021Ransomware

60

BlackByte Ransomware abuses driver to bypass security solutions

Security AffairsOct 8, 16:23 UTC · Oct 8, 2022Ransomware CVE-2018-19320 CVE-2019-16098

60

Cyber-attack defense: CIS Benchmarks + CDM + MITRE ATT&CK

Help Net SecurityJan 30, 12:40 UTC · Jan 30, 2024Ransomware

60

You can upgrade Windows 7 for free! Why wouldn’t you?

Help Net SecurityJan 29, 09:20 UTC · Jan 29, 2020Ransomware

57

Microsoft: North Korea

Security AffairsJan 29, 14:49 UTC · Jan 29, 2021Ransomware CVE-2017-16238

60

Inglis: People, companies need to replicate collective cyber defense seen in Ukraine

The RecordJan 11, 00:00 UTC · Jan 11, 2023Ransomware

60

DXXD Ransomware encrypts files on unmapped network shares

Security AffairsOct 13, 06:45 UTC · Oct 13, 2016Ransomware

60

Threat Source newsletter (Feb. 20, 2020)

Cisco TalosFeb 20, 19:00 UTC · Feb 20, 2020Ransomware

57

STRRAT RAT spreads masquerading as ransomware

Security AffairsMay 20, 20:39 UTC · May 20, 2021Ransomware1

57

FBI, CISA alert warns of imminent ransomware attacks on healthcare sector

Security AffairsOct 29, 19:10 UTC · Oct 29, 2020Ransomware

57

Ransomware attackers used incorrectly stored recovery codes to disable EDR agents

Help Net SecuritySep 16, 00:00 UTC · Sep 16, 2025Ransomware CVE-2024-40766

60

Threat Source newsletter (Jan. 16, 2019)

Cisco TalosJan 16, 19:00 UTC · Jan 16, 2020Ransomware CVE-2020-0601

60