An automated roundup of 36 notable cybersecurity article(s) from the last 36 hours, aggregated from 4 source(s). Descriptions are pulled directly from each publisher's feed; follow the links for the full articles.
BleepingComputer
New Dolphin X malware uses AI to rank high-value targets
A new Dolphin X remote access trojan claims to use an AI-powered profiling feature to score and rank infected users, helping cybercriminals identify which victims should be targeted first. [...]
Australian energy provider Origin says data breach exposes client data
Origin Energy has confirmed that an unauthorized party accessed and subsequently leaked customer data online, exposing sensitive personally identifiable information (PII), among others. [...]
Fake Claude app promoted by Bing ads pushes SectopRAT malware
A malvertising campaign on the Bing search service is pushing a fake Claude desktop app installer hosted on a legitimate Claude.ai domain to deliver the SectopRAT malware. [...]
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. [...]
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. [...]
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. [...]
FedRAMP Rev5 Is Ending: What the 20x Transition Really Requires
FedRAMP 20X replaces point-in-time assessments with continuous, machine-readable evidence that demonstrates security controls are working. Anecdotes explains what the transition from Rev5 to FedRAMP 20X means and how organizations can prepare for continuous, evidence-based…
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. [...]
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. [...]
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. [...]
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. [...]
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. [...]
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. [...]
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 Hacker News
Russian Espionage Group Exploited Zimbra Zero-Day to Steal Mail and 2FA Codes
A Russian state-supported espionage group spent months reading Western mailboxes through a then-unknown flaw in Zimbra's webmail client. The payload goes after the last 90 days of email, the organization's entire email directory, the password saved in the browser and the codes…
ThreatsDay: Android Spyware, PLC Attacks, AI Image Prompt Injection + 12 More Stories
Most of this week's trouble came dressed as something useful. A package stole data. A fake extension opened remote access. A safety app became spyware. An image gave hidden orders to an AI agent. Other threats hid in open systems, weak code, and normal network traffic. The…
Claude Cowork Flaw Could Let AI Agent Escape Its VM and Access Mac Files
Cybersecurity researchers have uncovered a sandbox escape vulnerability in Anthropic's Claude Cowork that makes it possible to break out of the confines of a Linux virtual machine (VM) within which the agent runs to read or write files anywhere on the Mac. Accomplish AI, which…
Chaos Ransomware Uses msaRAT to Route C2 Traffic Through Headless Chrome and Edge
The Chaos ransomware group ran its command-and-control through the victim's own browser. Cisco Talos on Thursday detailed msaRAT, the Rust implant behind it, found on a compromised Windows machine ahead of the encryptor. The implant never opens an outbound connection of its own.…
China-Nexus JadeProx Uses New TriBack Loader in Government and Healthcare Attacks
An exposed Alibaba Cloud server has revealed a China-nexus operation that Group-IB tracks as JadeProx. The cluster has targeted government, healthcare, and education organizations across Asia and Latin America with a previously undocumented Windows loader called TriBack Loader.…
How Synthetic Identity Fraud is Coming for Machine Identities
Most people understand identity theft as an attacker stealing a real person's sensitive information and impersonating them. Synthetic identity fraud is much harder to catch. Instead of stealing a real identity, the attacker manufactures a new one, frankensteining together…
Attackers Weaponize GitHub Actions Runners to Target cPanel and WHM Servers
Cybersecurity researchers have shed light on a large-scale campaign that has turned compromised GitHub repositories into distributed attack infrastructure designed to target cPanel and WebHost Manager (WHM) instances. The activity involves malicious Packagist development…
Google Adds Selfie Video Recovery for Users Locked Out of Their Accounts
Google on Thursday announced a new way for users to sign-in to their accounts by letting them take a selfie video. The selfie for sign-in, per the tech giant, is another option on top of existing recovery methods to log in to an account, including an email address or a phone…
Nine-Year-Old RefluXFS Linux Flaw Gives Local Users Root on Default RHEL Installs
RefluXFS, a Linux kernel flaw disclosed on July 22 and tracked as CVE-2026-64600, lets an unprivileged local user overwrite root-owned files on an XFS filesystem and gain persistent root access. Qualys said default installations of Red Hat Enterprise Linux and its derivatives,…
Check Point Patches Exploited SmartConsole Flaw Allowing Full Admin Access
Check Point has released security updates to address multiple vulnerabilities impacting Security Management and Multi-Domain Management (MDSM) products, including a critical flaw that has come under active exploitation in the wild. The security flaw, tracked as CVE-2026-16232…
GitHub Cuts Public Bug Bounty Payouts, Moves Top Rewards to VIP Tier
Beginning July 27, 2026, GitHub will cut public bug bounty payouts by at least half at every severity level. Critical findings will drop from $20,000-$30,000+ to a fixed $10,000, while its permanent invite-only VIP tier will pay $30,000 or more. Reports filed before that date,…
Ubuntu snap-confine Flaw Could Give Local Users Root on Default Desktop Installs
Cybersecurity researchers have disclosed details of a new local privilege escalation (LPE) vulnerability in snap-confine that an unprivileged user can trigger to obtain root access and gain complete control of a target environment. The high-severity flaw, tracked as…
Dark Reading
Russian Hackers Exploit Zimbra Zero-Day Against US, Ukraine Targets
A state-sponsored threat group, dubbed "Laundry Bear," sends "half-click" phishing emails that require a victim only to open or preview the message.
Agentic AI Challenges Progress in Confidential Computing
Core issues that slowed down adoption of secure data vaults are being resolved by technology, but artificial intelligence poses new ones. Experts have some answers.
Brazilian Banking Trojan Actively Spreading in Portugal
Portuguese businesses operate in the same native language as Brazilian hackers, making those businesses easy targets.
Ransomware Attack Puts a Chill on Japanese Frozen-Food Chain
A cyberattack on a food and logistics firm disrupts the supply of frozen food to thousands of clients, including major franchises like Kentucky Fried Chicken.
Flaws in Passkey Implementation Show Old Attacks Still Work
Ahead of Black Hat USA, researchers find exploitable flaws in how Microsoft handles passkeys that could allow attackers to impersonate privileged users.
Attackers Are Learning to Live Off the AI Toolchain
Sandworm_Mode is an early example of malware that exploits trusted AI tools and workflows to make malicious activity virtually indistinguishable from normal activity.
Fake Bahrain Alert App Deploys Android Surveillance Malware
A malicious application delivers four-stage Android spyware via phony Google Play sites, exploiting civilian fear during Iranian missile strikes.
SANS Internet Storm Center
ISC Stormcast For Friday, July 24th, 2026 https://isc.sans.edu/podcastdetail/10022, (Fri, Jul 24th)
When the "Autonomous Attacker" Is Your Own AI Model, (Thu, Jul 23rd)
Two disclosures, five days apart, described the same intrusion from opposite ends —
Not included today: Krebs on Security (no articles in the last 36h)