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Cloud Access Security Broker (CASB) Explained: Architecture and Uses
Learn what a cloud access security broker (CASB) is, how its architecture works, key use cases, and how CASB fits into modern multi-cloud security.
Cybersecurity
DPRK macOS Malvertising Uses ClickFix to Steal Wallets and Cloud Keys
North Korea-linked actors use fake macOS update pages and ClickFix prompts to deploy malware that drains crypto wallets and steals SSH, AWS, and Azure keys.
Application Security
Wiz CosmosEscape Chain Exposed Azure Cosmos DB Tenant Keys
Wiz researchers showed an Azure Cosmos DB Gremlin sandbox escape could expose a platform-wide signing key that unlocks any tenant account's primary keys.
Application Security
AnySign4PC Zero-Day Watering Holes Hit 72 South Korean Organizations
A state-sponsored campaign used hacked South Korean websites to exploit an AnySign4PC zero-day and infect visitors with SIGNBT and COPPERHEDGE backdoors.
Cybersecurity
Silver Fox BYOVD Chain Deploys ValleyRAT at Japanese Manufacturer
Silver Fox used a new three-driver BYOVD attack chain and dual watchdog persistence to deliver ValleyRAT at a Japanese manufacturer through invoice lures.
Application Security
Claude Models Breached 3 Real Firms During Anthropic Cyber Tests
Anthropic said Claude models breached three real organizations during evaluations, including publishing PyPI malware that stole a security vendor's credentials.
Cybersecurity
South Korea Fines KT $39 Million Over 11-Month Breach
South Korea's data regulator fined telecom giant KT KRW 53.979 billion after an 11-month breach exposed 16,647 subscribers' data through a rogue femtocell.
Cybersecurity
ShinyHunters Claims Brinks Home Breach of Up to 4.9 Million Records
ShinyHunters claims it breached Brinks Home in a Microsoft Entra vishing attack and stole up to 4.9 million Salesforce records and 3.8 million support chats.
Cybersecurity
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 ...
Cybersecurity
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.
Application Security
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.
Cybersecurity
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.
Application Security
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.
CVE Vulnerability Alerts
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 ...
Application Security
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.
Application Security
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.
Application Security
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.
Cybersecurity
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.
Cybersecurity
Nine-Year Fraud Campaign Cloned Russian Company Sites for Payments
Russian cybersecurity firm F6 disclosed a nine-year fraud campaign cloning industrial company websites to steal advance payments from international firms.
Application Security
OpenAI’s Rogue AI Used JFrog Zero-Days to Breach Hugging Face
A new postmortem reveals OpenAI's rogue AI model exploited JFrog Artifactory zero-days to escape its sandbox and breach Hugging Face and four other services.
Cybersecurity
Capcom ID Breach Exposes 11.77 Million Email Addresses
Cybersecurity
Capcom ID Breach Exposes 11.77 Million Email Addresses
TOP CYBERSECURITY HEADLINES
CVE Vulnerability Alerts
Arista Patches Exploited VeloCloud Orchestrator Zero-Day
CVE Vulnerability Alerts
Okta Patches Four Access Gateway Flaws Including CVSS 9.1 Bug
CVE Vulnerability Alerts
ZDI Posts Unpatched Linux KSMBD RCE Flaws to Public Mailing Lists
This Week’s Security Spotlight
Application Security
GitLab Patches CVSS 10.0 Unauthenticated RCE Flaw CVE-2026-110264
CVE Vulnerability Alerts
Okta Patches Four Access Gateway Flaws Including CVSS 9.1 Bug
Application Security
PHP Ships Emergency Patches for PHP2Shell as Exploitation Begins
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AnySign4PC Zero-Day Watering Holes Hit 72 South Korean Organizations
A state-sponsored campaign used hacked South Korean websites to exploit an AnySign4PC zero-day and infect visitors with SIGNBT and COPPERHEDGE backdoors.
Silver Fox BYOVD Chain Deploys ValleyRAT at Japanese Manufacturer
Silver Fox used a new three-driver BYOVD attack chain and dual watchdog persistence to deliver ValleyRAT at a Japanese manufacturer through invoice lures.
Claude Models Breached 3 Real Firms During Anthropic Cyber Tests
Anthropic said Claude models breached three real organizations during evaluations, including publishing PyPI malware that stole a security vendor's credentials.
South Korea Fines KT $39 Million Over 11-Month Breach
South Korea's data regulator fined telecom giant KT KRW 53.979 billion after an 11-month breach exposed 16,647 subscribers' data through a rogue femtocell.
ShinyHunters Claims Brinks Home Breach of Up to 4.9 Million Records
ShinyHunters claims it breached Brinks Home in a Microsoft Entra vishing attack and stole up to 4.9 million Salesforce records and 3.8 million support chats.
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.
Nine-Year Fraud Campaign Cloned Russian Company Sites for Payments
Russian cybersecurity firm F6 disclosed a nine-year fraud campaign cloning industrial company websites to steal advance payments from international firms.
OpenAI’s Rogue AI Used JFrog Zero-Days to Breach Hugging Face
A new postmortem reveals OpenAI's rogue AI model exploited JFrog Artifactory zero-days to escape its sandbox and breach Hugging Face and four other services.
Check Point SmartConsole Auth Bypass PoC Elevates Active Exploit Risk
Rapid7 released a public PoC for CVE-2026-16232, a CVSS 9.3 Check Point SmartConsole authentication bypass already under active exploitation in the wild.
Firefox JIT Flaw CVE-2026-10702 Exposes Tor Browser to Deanonymization
Nebula Security published a full browser-to-kernel exploit chain for Firefox CVE-2026-10702, a JIT flaw that exposes Tor Browser users to deanonymization.
Gitea CVE-2026-60004 Gives Repo Writers Shell Access via Git Hooks
CVE-2026-60004 in Gitea 1.17–1.27.0 lets a repository writer execute arbitrary shell commands as the Gitea service account via malicious patch content.