Search: “Polish CERT”

75 stories

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

CategoryAll Malware 24 Threat actor 16 Exploit / PoC 11 Vulnerability 7 Data breach 5 Ransomware 5 Phishing & fraud 4 Industry 2 Policy & legal 1

SeverityAll critical 26 high 26 medium 19 low 3 info 1

Russian APT28 Hackers Targeting High

The Hacker NewsFeb 3, 06:31 UTC · Feb 3, 2024Threat actor CVE-2023-23397 CVE-2023-38831

60

CERT-UA Uncovers New Malware Wave Distributing OCEANMAP, MASEPIE, STEELHOOK

The Hacker NewsJan 8, 04:12 UTC · Jan 8, 2024Malware CVE-2023-23397

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Belarus-linked hackers use fake training certificates to target Ukrainian officials

The RecordJun 26, 00:00 UTC · Jun 26, 2026Data breach

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Kremlin-Backed APT28 Targets Polish Institutions in Large

The Hacker NewsMay 10, 09:55 UTC · May 10, 2024Threat actor

60

⚡ Weekly Recap: Proxy Botnet, Office Zero-Day, MongoDB Ransoms, AI Hijacks & New Threats

The Hacker NewsFeb 15, 00:00 UTC · Feb 15, 2026Exploit / PoC in the wildCVE-2026-21509 CVE-2026-1281 CVE-2026-1340

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New malware found in analysis of Russian hacks on Ukraine, Poland

The RecordDec 29, 13:24 UTC · Dec 29, 2023Malware

42

Cybercriminals Using PowerShell to Steal NTLMv2 Hashes from Compromised Windows

The Hacker NewsSep 15, 00:00 UTC · Sep 15, 2023Malware

30

Hackers deface Ukrainian government websites

The RecordJan 17, 00:00 UTC · Jan 17, 2023Vulnerability

42

UAT-5647 targets Ukrainian and Polish entities with RomCom malware variants

Cisco TalosOct 17, 10:00 UTC · Oct 17, 2024Malware

42

Belarusian hackers target Ukraine’s Ministry of Defence in new espionage campaign

The RecordJun 4, 20:04 UTC · Jun 4, 2024Threat actor

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Ukraine: Belarusian APT group UNC1151 targets military personnel with spear phishing

Security AffairsFeb 25, 15:59 UTC · Feb 25, 2022Threat actor

57

Ghostwriter Targets Ukrainian Government With Geofenced PDF Phishing, Cobalt Strike

The Hacker NewsMay 15, 00:00 UTC · May 15, 2026Phishing & fraud CVE-2023-38831 CVE-2024-42009 CVE-2025-8088

47

iSight Partners - Sandworm is involved Ukrainian power outage

Security AffairsMay 24, 06:58 UTC · May 24, 2018Threat actor CVE-2013-3906

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Russia-linked APT28 group spotted exploiting Outlook flaw to hijack MS Exchange accounts

Security AffairsDec 5, 14:19 UTC · Dec 5, 2023Threat actor CVE-2023-23397 CVE-2023-38831 CVE-2021-40444+4 CVEs

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Winter Vivern APT Group Targeting Indian, Lithuanian, Slovakian, and Vatican Officials

The Hacker NewsMar 17, 09:46 UTC · Mar 17, 2023Threat actor

57

The State of Trusted Open Source

The Hacker NewsJan 8, 11:50 UTC · Jan 8, 2026Vulnerability

55

Classiscam expands to Europe: Russian-speaking scammers lure Europeans to pages mimicking classifieds

Security AffairsJan 14, 13:15 UTC · Jan 14, 2021Phishing & fraud

30

Russian Sandworm Hackers Linked to New Ransomware Blitz

Infosecurity MagazineNov 28, 10:10 UTC · Nov 28, 2022Ransomware

57

Belarus-linked hacks on Ukraine, Poland began at least a year ago, report says

The RecordJul 13, 19:30 UTC · Jul 13, 2023Malware

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New Threat Actor Launches Cyber

Infosecurity MagazineJul 14, 17:00 UTC · Jul 14, 2023Threat actor

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Threat actors defaced Ukrainian government websites

Security AffairsJan 14, 22:45 UTC · Jan 14, 2022Threat actor CVE-2021-32648

60

⚡ Weekly Recap: Lazarus Hits Web3, Intel/AMD TEEs Cracked, Dark Web Leak Tool & More

The Hacker NewsNov 3, 17:59 UTC · Nov 3, 2025Threat actor CVE-2025-61932 CVE-2025-55315 CVE-2025-10680+18 CVEs1

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Poland to probe Russia

The RecordJul 1, 18:31 UTC · Jul 1, 2024Malware

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APT trends report Q1 2022

Kaspersky SecurelistApr 27, 09:55 UTC · Apr 27, 2022Ransomware

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Kaspersky IT threat report for Q1 2022

Kaspersky SecurelistMay 27, 08:00 UTC · May 27, 2022Ransomware

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PicassoLoader Malware Used in Ongoing Attacks on Ukraine and Poland

The Hacker NewsJul 15, 00:00 UTC · Jul 15, 2023Malware

42

Ukrainian government websites hacked amid rising regional security anxiety

CyberScoopJan 14, 14:51 UTC · Jan 14, 2022Exploit / PoC in the wild

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Ukraine Campaign Delivers Defacement and Wipers, in Continued Escalation

Cisco TalosJan 21, 20:14 UTC · Jan 21, 2022Malware

42

WannaCry ransomware used in widespread attacks all over the world

Kaspersky SecurelistMay 12, 17:30 UTC · May 12, 2017Ransomware

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A top Ukrainian security official on defending the nation against cyber attacks

The RecordJan 17, 00:00 UTC · Jan 17, 2023Vulnerability

55

MITRE: Russian APT28's LameHug, a Pilot for Future AI Cyber

Infosecurity MagazineAug 12, 14:00 UTC · Aug 12, 2025Threat actor

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ThreatsDay Bulletin: OAuth Trap, EDR Killer, Signal Phishing, Zombie ZIP, AI Platform Hack & More

The Hacker NewsMar 12, 15:00 UTC · Mar 12, 2026Phishing & fraud in the wild

60

Week in review: Microsoft fixes exploited Office zero-day, Fortinet patches FortiCloud SSO flaw

Help Net SecurityFeb 1, 00:00 UTC · Feb 1, 2026Exploit / PoC in the wildCVE-2026-21509 CVE-2026-24858 CVE-2025-8088+1 CVEs

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ThreatsDay Bulletin: Claude Chat Abuse, NastyC2 npm Packages, Device

The Hacker NewsJun 18, 15:29 UTC · Jun 18, 2026Exploit / PoC CVE-2026-20127

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The chronicles of Emotet

Kaspersky SecurelistDec 4, 10:00 UTC · Dec 4, 2020Malware

30