Russian hackers exploit Zimbra zero-click flaw for email theft
CISA is warning that the Russian state-sponsored hacking group Laundry Bear, also known as Void Blizzard, is targeting organizations using Zimbra Collaboration email servers by combining phishing attacks with the exploitation of a now-patched Zimbra vulnerability. According to CISA, Laundry Bear has targeted and compromised users in organizations associated with the Defense Industrial Base (DIB), […]
Hackers abuse Notepad++ plugins to stealthily install malware
Ukraine’s CERT has uncovered attacks distributing an archive containing the legitimate Notepad++ application and a malicious utility called LunchPoke disguised as a plugin to establish persistence. The campaign has been attributed to a threat cluster tracked as UAC-0099, which primarily targets organizations in Ukraine and has previously been linked to providing initial access for attacks […]
Microsoft 365 outage affects Teams, SharePoint and other services
Microsoft is impacted by a massive outage affecting Teams and Microsoft 365 services, primarily affecting users in North America. At 11:11 AM ET on July 23, Downdetector recorded 2,403 reports, sharply above its normal baseline of 29. SharePoint accounted for 78% of the complaints, followed by Excel at 11% and the Microsoft 365 Admin Center at 6% […]
EU fines Google $1 billion for search, app store antitrust violations
The European Commission fined Google €890 million ($1 billion) on Thursday after finding the company had violated the European Union’s Digital Markets Act (DMA), which ensures fair online competition. Google was designated a gatekeeper for Google Search in September 2023, with non-compliance investigations opened in March 2024. On Thursday, the Commission said the company favored its own services on […]
New RefluXFS Linux flaw lets attackers gain root privileges
A nine-year-old race condition vulnerability in the Linux kernel’s XFS filesystem, tracked as CVE-2026-64600, allows local attackers to overwrite protected files and gain root privileges. Dubbed RefluXFS by the Qualys Threat Research Unit (TRU), which found and reported it, the security flaw affects systems with an XFS filesystem with reflink enabled (a default configuration on […]
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 […]