Search: “improper authentication”

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

CategoryAll Vulnerability 530 Exploit / PoC 261 Ransomware 67 Data breach 49 Advisory 29 Malware 26 Phishing & fraud 14 Industry 11 Policy & legal 10 Threat actor 9 AI safety & security 4 Research 1 AI research 1 Model release 1

SeverityAll critical 673 high 227 medium 89 low 17 info 7

ThreatsDay: CEO Phishing Kits, 5K Dropbox Account Hacks, OAuth Traps + 17 More Stories

Microsoft warns of Teams IT-impersonation intrusions deploying Node.js implants; Spring Ring vishing hit 150+ employees across 10 companies; The Gentlemen ransomware claims 683 victims.

Microsoft warned of a human-operated campaign abusing Teams external collaboration to impersonate IT help desk staff, deploy malicious MSI packages staging Node.js runtimes and obfuscated JavaScript implants, then pivot to domain controllers over WinRM. Unit 42 documented the Spring Ring vishing operation targeting over 150 employees across at least 10 companies using 26 attacker identities, including an NTLM relay variant against domain controllers. Sophos reported The Gentlemen ransomware (Gold Sherwood) reached 683 total victims by end of July 2026, adding 169 in July, with a playbook using BYOVD-based EDR killers and backup tampering. Group-IB found the Outsider phishing-as-a-service platform created 700+ new phishing pages within a month despite law enforcement takedowns.

The Hacker NewsSep 3, 18:02 UTC · 13d agoThreat actor in the wild1

H1 2026 Malware Vulnerability Trends

Recorded Future's H1 2026 report finds 215 actively exploited CVEs, RAT dominance, NFC payment fraud, and AI-augmented but not autonomous tradecraft.

Recorded Future's Insikt Group identified 215 actively exploited CVEs in H1 2026, up 34% from 161 in H1 2025, with the most impactful flaws combining network reachability, no authentication, and code execution. AsyncRAT was the top malware family, with AsyncRAT, Cobalt Strike, XWorm, Stealc, and REMCOS remaining top-ten staples; Android NFC malware like NFCShare and NGate enabled payment card theft and ATM cash-outs. AI-enabled attacks remained additive to established tradecraft, concentrated in Levels 1-3 of Recorded Future's AIM3 maturity model, with AI-assisted vulnerability research (e.g., Claude Mythos fixing 271 Firefox bugs in Firefox 150) inflating NVD disclosure volumes 43% above the prior six-month average. The report urges defenders to prioritize remotely exploitable RCE flaws, behavioral detection, developer credential security, and third-party oversight.

Recorded FutureSep 3, 00:00 UTC · 13d agoThreat actor in the wild1

North Korean Kimsuky Hackers Use Russian Email Addresses for Credential Theft Attacks

The Hacker NewsDec 3, 09:51 UTC · Dec 3, 2024Threat actor

Shadow APIs hit with 5 billion malicious requests

Help Net SecurityOct 7, 00:00 UTC · Oct 7, 2022Threat actor

Discord leaks ‘demoralizing’ for US intelligence agencies, DNI Haines says

The RecordMay 4, 17:12 UTC · May 4, 2023Threat actor

Iran-linked APT groups started exploiting Papercut flaw

Security AffairsMay 9, 07:00 UTC · May 9, 2023Threat actor in the wildCVE-2023-27350

Evolving cloud threats: Insights and recommendations

Help Net SecurityOct 23, 00:00 UTC · Oct 23, 2024Threat actor

Nation-state hackers exploit Cisco firewall 0

Ars Technica · SecurityApr 24, 20:55 UTC · Apr 24, 2024Threat actor CVE-2024-20359 CVE-2024-20353

Clop-Linked Windchill Web Shell Decrypts Credentials and Maps Engineering Data

ReliaQuest details a bespoke JSP web shell that Clop deploys on hacked PTC Windchill and FlexPLM servers after exploiting CVE-2026-12569.

ReliaQuest analyzed a custom Java web shell planted on vulnerable PTC Windchill and FlexPLM servers following exploitation of CVE-2026-12569 (CVSS 9.3). The implant decrypts Windchill keystore credentials including the LDAP manager password, enumerates the file vault for engineering data, and loads attacker-supplied Java classes in memory for post-exploitation. Commands let operators read and delete files, exfiltrate results, and deliver follow-on payloads such as ransomware. Ransom-ISAC, eCrime.ch and Defused previously attributed the campaign to the Clop data-theft extortion group.

The Hacker NewsAug 19, 15:27 UTC · 28d agoThreat actor in the wildCVE-2026-12569