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4sysops
4sysops.com > archives > alex-stamos-former-chief-security-officer-at-facebook-warns-the-hugging-face-hack-shows-ai-is-ready-for-autonomous-cyber-attacks

Alex Stamos, former Chief Security Officer at Facebook, warns the Hugging Face hack shows AI is ready for autonomous cyber attacks – 4sysops

1+ mon, 3+ week ago   (26+ words) Alex Stamos says the OpenAI model escape and Hugging Face intrusion is a major cybersecurity warning because the model broke out of containment and carried out...

4sysops
4sysops.com > archives > compromised-identities-are-now-the-main-ransomware-entry-point

Compromised identities are now the main ransomware entry point – 4sysops

1+ mon, 3+ week ago   (22+ words) Sophos found that 79% of ransomware incidents begin with abused legitimate logins, making compromised identities the dominant initial access method. Attackers m...

4sysops
4sysops.com > archives > hollowgraph-hides-espionage-c2-in-microsoft-365-calendars-set-for-2050

HollowGraph hides espionage C2 in Microsoft 365 calendars set for 2050 – 4sysops

1+ mon, 3+ week ago   (24+ words) Group-IB researchers identified HOLLOWGRAPH, a lean Windows.NET malware that hijacks a compromised Microsoft 365 account and abuses the Microsoft Graph API to...

4sysops
4sysops.com > archives > spirals-ransomware-exploits-iis-servers-to-encrypt-networks-in-under-24-hours

Spirals ransomware exploits IIS servers to encrypt networks in under 24 hours – 4sysops

1+ mon, 3+ week ago   (26+ words) The newly discovered Spirals ransomware, written in Rust, utilizes a rapid attack timeline to move from initial breach to full network encryption in less than a...

4sysops
4sysops.com > archives > cisa-warns-of-actively-exploited-sharepoint-server-vulnerabilities

CISA warns of actively exploited SharePoint Server vulnerabilities – 4sysops

1+ mon, 4+ week ago   (24+ words) CISA has issued an urgent warning regarding three vulnerabilities in on-premises SharePoint Server versions that are currently being exploited in the wild. The...

4sysops
4sysops.com > archives > us-and-allies-warn-of-russian-hackers-targeting-critical-infrastructure-routers

US and allies warn of Russian hackers targeting critical infrastructure routers – 4sysops

2+ mon, 19+ hour ago   (23+ words) Cybersecurity agencies from the United States and eight allied nations have issued a joint advisory regarding Russian state-sponsored hacking activity. The warn...

4sysops
4sysops.com > archives > seven-unpatched-fatfs-vulnerabilities-expose-millions-of-embedded-devices

Seven unpatched FatFs vulnerabilities expose millions of embedded devices – 4sysops

2+ mon, 1+ week ago   (25+ words) Security firm runZero has disclosed seven vulnerabilities in FatFs, a widely used filesystem library that enables devices to read and write FAT and exFAT format...

4sysops
4sysops.com > archives > fbi-and-google-dismantle-netnut-proxy-botnet-hiding-in-smart-tvs

FBI and Google dismantle NetNut proxy botnet hiding in smart TVs – 4sysops

2+ mon, 1+ week ago   (26+ words) The FBI and Google coordinated a global operation to disrupt NetNut, a massive residential proxy network that co-opted over two million consumer devices. This n...

4sysops
4sysops.com > archives > cisa-mandates-urgent-patching-for-exploited-sharepoint-deserialization-flaw

CISA mandates urgent patching for exploited SharePoint deserialization flaw – 4sysops

2+ mon, 1+ week ago   (25+ words) CISA has added CVE-2026-45659 to its Known Exploited Vulnerabilities catalog following reports of active exploitation in the wild. This high-severity flaw invol...

4sysops
4sysops.com > archives > shinyhunters-exploits-oracle-peoplesoft-zero-day-to-breach-100-organizations

ShinyHunters exploits Oracle PeopleSoft zero-day to breach 100 organizations – 4sysops

2+ mon, 3+ week ago   (22+ words) The cybercrime group ShinyHunters has reportedly exploited a zero-day vulnerability in Oracle PeopleSoft to breach over 100 organizations globally. This enterpr...