AI Agents become fastest growing exposed attack surface Consumer finance company Upbound Group blames data breach for millions in losses Dolphin X Stealer uses AI profiling to prioritize targets Get the show notes here: https://cisoseries.com/cybersecurity-news-ai-agents-risk-upbound-group-breach-dolphin-x-stealer/ Huge thanks to our sponsor,…
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Claude Cowork Sandbox Escape Flaw Lets Attackers Access SSH Keys and Cloud Credentials
A newly revealed sandbox escape vulnerability affecting Anthropic’s Claude Cowork could allow untrusted content processed by the AI agent to access sensitive files on a macOS host. This includes SSH private keys, cloud credentials, and other data that are available…
Lampion Malware Targets Portuguese Users With Multistage Phishing and 750MB RAT Payload
A highly targeted Lampion malware campaign abusing localized phishing lures to compromise users in Portugal. The activity reflects a continued evolution of the Brazilian-origin banking trojan, first documented in 2019, which has consistently focused on Portuguese-speaking victims rather than domestic…
The automotive software vulnerabilities hiding in your dashboard
Pop the hood on a new car and you won’t find much you can fix with a wrench. What you’ll find is software, and a lot of it. The screen in the dash probably runs Android or a flavor of…
Fake Notepad++ Plugin Delivers MATCHBOIL.V2 in UAC-0099 Attacks
The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of a new campaign that involves the use of a malicious program that’s dressed up as a Notepad++ plugin to compromise Windows systems. The activity has been attributed by the…
Attackers Abuse Microsoft Teams to Impersonate IT Support and Steal Corporate Access
Attackers are increasingly abusing Microsoft Teams to impersonate internal IT support and trick employees into handing over remote access and corporate credentials, even as traditional email phishing volumes tied to major platforms like Tycoon2FA decline. Microsoft’s recent email threat landscape…
Top 10 Best 24/7 Security Monitoring Companies in 2026
A comprehensive and proactive security posture is non-negotiable for organizations in 2026. With a rapidly evolving threat landscape and a global shortage of cybersecurity talent, relying on an internal team alone to provide round-the-clock protection is often unfeasible. 24/7 security…
Microsoft 365 Services Outage Impacted Teams, Copilot, Purview and Other Services
A Microsoft 365 outage disrupted access to several widely used enterprise services, including Microsoft Teams, SharePoint Online, OneDrive, Copilot Chat, Microsoft Purview, and Power BI. The incident primarily affected customers whose Microsoft 365 traffic was routed through the North America…
Malicious RubyGems Turn Developer Machines Into Monero Miners and Spread Through SSH
A malicious RubyGems campaign has turned seemingly useful developer packages into tools for hidden cryptocurrency mining. The poisoned packages can consume a machine’s computing power, slow down development work, and quietly generate Monero for the attackers. The campaign also goes…
Governing Al agents at scale: Lessons from the leaders who’ve done it
Enterprise AI leaders from ZoomInfo, Docusign and AppViewX share what it took to build AI Centers of Excellence and govern agent identities inside two companies operating at scale. What you’ll take away: What an AI Center of Excellence looks like…
Russian LAUNDRY BEAR Hackers Exploit Zimbra Zero-Day to Steal 90 Days of Emails
Russian state-supported threat actors, known as LAUNDRY BEAR, have exploited a zero-day vulnerability in the Zimbra Collaboration Suite to steal up to 909,090 days’ worth of emails from targeted organizations across Western countries. A joint cybersecurity advisory, AA26-204A, issued on…
Data Breach Confirmed After Australian Energy Giant Origin Is Hacked
A hacker claims to have stolen the information of 2 million Origin Energy customers and is threatening to leak it. The post Data Breach Confirmed After Australian Energy Giant Origin Is Hacked appeared first on SecurityWeek. This article has been…
Ransomware gangs go after EMEA healthcare’s supply chain
A ransomware attack against a hospital makes headlines, while attacks on the rest of the ecosystem around it tend to stay quiet despite doing damage that can be just as bad. Flare researcher Assaf Morag analyzed ransomware leak-site activity tied…
Hackers Weaponize Notepad++ Plugins to Silently Infect Windows Systems
CERT-UA has issued a warning regarding the UAC-0099 threat cluster, which has revised its malware delivery method by exploiting the legitimate Notepad++ application to load a malicious DLL disguised as a plugin. This campaign, observed since mid-summer 2026, introduces two…
The best-funded companies open the most phishing attachments
An employee gets an email dressed as a password reset. She clicks the link, types her credentials into a page built to copy her company’s login screen, and moves on with her morning. She tells no one. That silence is…
Next.js Patches Nine Security Flaws Enabling SSRF, Middleware Bypass, DoS, and Internal Endpoint Disclosure
The Next.js team has released security updates that address nine vulnerabilities affecting the App Router, Server Actions, rewrites, image optimization, caching, and middleware deployments. Organizations are urged to upgrade to Next.js versions 15.5.21 or 16.2.11 immediately, as these updates fix…
136 Malicious RubyGems Packages Deploy XMRig Miner and Spread via SSH
A large-scale supply chain attack has flooded RubyGems with 136 trojanized packages that deploy an XMRig Monero miner and self-propagate via SSH, underscoring systemic weaknesses in language ecosystems beyond npm and PyPI. On July 22, 2026, researchers Moe Ghasemisharif, Ruian…
Ransomware in 2026: More groups, more victims, no slowdown
Ransomware activity followed a recognizable pattern during the previous four years. Each year was defined by a dominant actor, its collapse, or a major supply chain incident. Black Kite’s 2026 Ransomware Report documents a more fragmented market, with multiple ransomware…
New infosec products of the week: July 24, 2026
Here’s a look at the most interesting products from the past week, featuring releases from Astelia, Druva, Swimlane, and ThreatDown. Druva brings backup, recovery and governance to AI workloads Druva has announced Druva AI Resilience, a new approach that helps…
Hackers Allegedly Claim Breach of Decathlon Customer Database With 160 Million Records
A threat actor is allegedly claiming to possess and sell a Decathlon customer database containing approximately 160 million records. The database was advertised on a cybercrime forum, where the seller stated that payment would be accepted through cryptocurrency. The alleged…