Microsoft 365 Copilot Exploited in 1-Click Data Theft Attack

A critical vulnerability in Microsoft 365 Copilot Enterprise, known as SearchLeak, could be exploited with just one click to steal sensitive data from mailboxes, OneDrive, and SharePoint. Fortunately, Microsoft has patched the flaw, CVE-2026-42824, and no user action is required to stay safe.

https://osintsights.com/microsoft-365-copilot-exploited-in-1-click-data-theft-attack?utm_source=mastodon&utm_medium=social

#Microsoft365Copilot #Cve202642824 #Searchleak #DataExfiltration #CloudSecurity

OpenAI Bolsters ChatGPT with Lockdown Mode to Curb Data Exfiltration Risks

OpenAI is stepping up ChatGPT's security game with Lockdown Mode, a powerful setting that limits connections to the web and external services to prevent data exfiltration - a game-changer for those handling sensitive information. This advanced feature is now rolling out to eligible accounts, offering stricter…

https://osintsights.com/openai-bolsters-chatgpt-with-lockdown-mode-to-curb-data-exfiltration-risks?utm_source=mastodon&utm_medium=social

#Chatgpt #LockdownMode #DataExfiltration #ArtificialIntelligence #EmergingThreats

ChatGPT for Google Sheets Exfiltrates Workbooks

https://www.promptarmor.com/resources/gpt-for-google-sheets-data-exfiltration

#HackerNews #ChatGPT #GoogleSheets #DataExfiltration #Workbooks #AItools #Cybersecurity

Cyber Extortion Economy Shifts Away From Ransomware Encryption

The cyber extortion landscape is undergoing a seismic shift, with threat actors ditching ransomware encryption in favor of data-only extortion - and they're moving at lightning speed, with one case seeing data exfiltration in just 39 seconds. This trend is driven by improved backup and recovery methods, leaving…

https://osintsights.com/cyber-extortion-economy-shifts-away-from-ransomware-encryption?utm_source=mastodon&utm_medium=social

#CyberExtortion #RansomwareEvolution #DataExfiltration #ExtortionTactics #ThreatIntelligence

Cybercriminals Impersonate IT Personnel in Targeted Attacks

Cybercriminals are now masquerading as IT personnel to launch targeted attacks, with the FBI warning that law firms and professional sectors are prime targets. This new tactic allows groups like the Silent Ransom Group to swiftly access and exfiltrate sensitive data, often without encrypting systems.

https://osintsights.com/cybercriminals-impersonate-it-personnel-in-targeted-attacks?utm_source=mastodon&utm_medium=social

#Extortion #TargetedAttacks #SilentRansomGroup #DataExfiltration #Impersonation

A Network Allow-List Won't Stop Exfiltration

https://www.dergraf.org/notes/canister-egress-proxy-dlp/

#Security #Networking #DataExfiltration

Hackers Exploit Human Behavior to Bypass Security Tools

As cyber threats evolve at an alarming rate, hackers are exploiting human behavior to outsmart security tools, forcing organizations to rethink their defensive strategies. With identity abuse and data extortion on the rise, businesses must stay ahead of the game to protect themselves.

https://osintsights.com/hackers-exploit-human-behavior-to-bypass-security-tools?utm_source=mastodon&utm_medium=social

#CyberThreatIntelligence #ThreatLandscape #IdentityAbuse #DataExfiltration #ExtortionModels

Mexican government breached by solo user with Claude, 150 GB exfiltrated

https://konstantintkachuk.com/writing/the-floor-doesnt-exist/

#HackerNews #MexicanGovernment #Breach #Claude #DataExfiltration #Cybersecurity #Hackers

Gremlin Stealer Evolves with Advanced Evasion Tactics

In just 12 months, the Gremlin stealer malware has transformed from a basic credential harvester to a sophisticated modular toolkit that can stealthily siphon sensitive information from compromised systems. Its latest variant now specifically targets Chromium-based browsers, making it an even more formidable threat.

https://osintsights.com/gremlin-stealer-evolves-with-advanced-evasion-tactics?utm_source=mastodon&utm_medium=social

#GremlinStealer #MalwareOperations #ModularStealer #ChromiumbasedBrowsers #DataExfiltration