Teams Vishing Campaigns Hit North American Firms With Chaos Ransomware
July 31, 2026
Sophos tracked a Teams vishing campaign as STAC4749, where fake IT support calls led to Chaos ransomware encryption at North
News
Teams Vishing Campaigns Hit North American Firms With Chaos Ransomware
Sophos tracked a Teams vishing campaign as STAC4749, where fake IT support calls led to Chaos ransomware encryption at North American firms in under 17 ...
Analog Devices Discloses Breach as ExfilSquad Claims Link
Analog Devices said unauthorized parties exfiltrated files in a breach detected June 23, while extortion group ExfilSquad separately claimed a connection.
Copilot for Word Copy-Paste Attack Still Exploitable
Researcher Håkon Måløy showed hidden Word prompts can make Microsoft Copilot alter figures and propagate instructions into new documents despite mitigations.
Fengwo Group Ad-Fraud Uses TV Sticks That Spoof as Phones
Bitsight found generic TV streaming sticks spoofing as phones and clicking ads on AI-generated sites in a Fengwo Group ad-fraud network worth $50,000 a day.
Amazon Ties Debug, Chalk npm Hijacks to North Korean Group
Amazon attributed debug and chalk npm hijack to North Korea's Sapphire Sleet, elevating a supply chain attack previously seen as financially motivated.
Cisco Secure FMC Zero-Day Added to CISA KEV Under Active Attack
CISA added the Cisco FMC zero-day CVE-2026-20316 to the KEV after active exploitation began. Cisco is also patching a critical FMC auth bypass rated CVSS ...
Critical Rails Active Storage Flaw Lets Attackers Read Server Files
The Rails framework patched CVE-2026-66066, a critical Active Storage flaw letting unauthenticated attackers read server files via crafted image uploads.
CVSS 10.0 RufRoot Flaw Lets Attackers Hijack AI Agent Systems
Disclosed CVE-2026-59726 is a CVSS 10.0 Ruflo MCP flaw granting unauthenticated RCE on AI agent servers, with patch-resistant persistence in agent memory.
Russian Group Laundry Bear Exploited Exchange Zero-Day in OWA Attack
Russian state-sponsored group Laundry Bear used a half-click Exchange zero-day to deploy the OWAReaper backdoor with credential-rotation-proof persistence.
Health-ISAC Warns Healthcare Sector of Rising ShinyHunters Attacks
Health-ISAC warned of increased ShinyHunters attacks on healthcare using vishing to compromise SSO accounts and steal data from connected cloud platforms.
Analog Devices Discloses Breach as ExfilSquad Claims Link
July 31, 2026
Analog Devices said unauthorized parties exfiltrated files in a breach detected June 23, while extortion group ExfilSquad separately claimed a
Copilot for Word Copy-Paste Attack Still Exploitable
July 31, 2026
Researcher Håkon Måløy showed hidden Word prompts can make Microsoft Copilot alter figures and propagate instructions into new documents despite
Fengwo Group Ad-Fraud Uses TV Sticks That Spoof as Phones
July 31, 2026
Bitsight found generic TV streaming sticks spoofing as phones and clicking ads on AI-generated sites in a Fengwo Group ad-fraud
Amazon Ties Debug, Chalk npm Hijacks to North Korean Group
July 30, 2026
Amazon attributed debug and chalk npm hijack to North Korea’s Sapphire Sleet, elevating a supply chain attack previously seen as
Cisco Secure FMC Zero-Day Added to CISA KEV Under Active Attack
July 30, 2026
CISA added the Cisco FMC zero-day CVE-2026-20316 to the KEV after active exploitation began. Cisco is also patching a critical
Critical Rails Active Storage Flaw Lets Attackers Read Server Files
July 30, 2026
The Rails framework patched CVE-2026-66066, a critical Active Storage flaw letting unauthenticated attackers read server files via crafted image uploads.
CVSS 10.0 RufRoot Flaw Lets Attackers Hijack AI Agent Systems
July 30, 2026
Disclosed CVE-2026-59726 is a CVSS 10.0 Ruflo MCP flaw granting unauthenticated RCE on AI agent servers, with patch-resistant persistence in
Russian Group Laundry Bear Exploited Exchange Zero-Day in OWA Attack
July 30, 2026
Russian state-sponsored group Laundry Bear used a half-click Exchange zero-day to deploy the OWAReaper backdoor with credential-rotation-proof persistence.
Health-ISAC Warns Healthcare Sector of Rising ShinyHunters Attacks
July 30, 2026
Health-ISAC warned of increased ShinyHunters attacks on healthcare using vishing to compromise SSO accounts and steal data from connected cloud
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