New msaRAT malware uses Chrome, Edge browsers to route C2 traffic
The Chaos ransomware gang is using a new backdoor dubbed msaRAT that hides command-and-control (C2) communication by routing it through the Chrome or Edge browsers. The malware is written in Rust and uses the Chrome DevTools Protocol (CDP) to control a headless browser session and establish a connection to the attacker’s server. Since the malware routes […]
Microsoft working to fix Exchange Online mailbox quarantine issue
Microsoft is working to resolve an ongoing Exchange Online issue that has been mistakenly quarantining customers’ mailboxes since Sunday. The incident, tracked by Microsoft under EX1436407, began on July 19 and remained unresolved as of the most recent update Wednesday evening. During this time, affected Exchange Online users have been experiencing issues receiving and sending emails […]
Check Point warns of SmartConsole zero-day exploited in attacks
Israeli cybersecurity firm Check Point Software has addressed an actively exploited zero-day flaw in the company’s SmartConsole graphical user interface (GUI) admin panel. Tracked as CVE-2026-16232, this authentication bypass vulnerability allows unauthenticated attackers to obtain an application login token that can be used to authenticate with administrator privileges. After gaining access to a vulnerable Security Management […]
Upbound says hack caused $13 million in fraudulent Acima leases
The Upbound Group fintech company disclosed that threat actors who stole data from its systems leveraged it to create $13 million in Acima leases. In a filing with the U.S. Securities and Exchange Commission (SEC), the company says that it “experienced cybersecurity incidents in which certain non-sensitive customer information and other documents were obtained without […]
South Korea discloses data breach impacting diplomats worldwide
South Korea disclosed that hackers breached the National Diplomatic Academy’s online education system for ten months and stole personal information belonging to current and former employees of the Ministry of Foreign Affairs (MFA), including overseas diplomats. The incident occurred in April 2025 after an unknown threat actor exploited a vulnerability in the Academy’s server. It […]
Swiss rail giant Stadler rejects $12.3M ransom demand after cyberattack
Swiss rail vehicle manufacturer Stadler Rail says the Everest ransomware gang demanded about $12.3 million after breaching a data exchange platform shared with one of its suppliers. The threat actor has not publicly claimed the attack, but the Swiss company says that it received an extortion letter from Everest ransomware asking for a ransom of […]
New InfraTrust report reveals infrastructure flaws admins should patch first
Eclypsium has launched InfraTrust, a new infrastructure cybersecurity knowledge base and monthly InfraTrust Pulse report designed to help organizations prioritize vulnerabilities affecting infrastructure, firmware, networking, and edge devices. The monthly report aggregates security advisories from major infrastructure vendors and highlights the vulnerabilities administrators should prioritize based on a flaw’s exploitability, exposure, and real-world risk rather than […]
Adobe Chrome extension flaw let sites access private WhatsApp chats
The Adobe Acrobat extension for Chrome could be used to access conversations and data rendered in WhatsApp Web without any form of authentication. The attack exploits a chain of vulnerabilities, collectively tracked as CVE-2026-48294 and dubbed HermeticReader by researchers at cybersecurity firm Guardio. Exploiting them requires only that the target running the Adobe Acrobat extension […]
CISA orders urgent action on actively exploited Langflow RCE flaw
The Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday ordered U.S. government agencies to prioritize patching an actively exploited vulnerability in the Langflow visual framework for building AI agents. Tracked as CVE-2026-0770, this critical security flaw allows unauthenticated threat actors to gain remote code execution as root in low-complexity attacks. “The specific flaw exists within the handling […]
Microsoft to stop Exchange 2016 / 2019 security updates in October
Microsoft has reminded customers that it will stop shipping security updates for Exchange 2016 and 2019 through the Extended Security Update (ESU) program in October. This comes after a 6-month extension announced in April 2026 to the original ESU program, which began in October after Exchange Server 2016 and 2019 reached the end of support. Exchange 2016 reached mainstream support in October […]