Cyber risk used to be the kind of problem you could delegate. Something for the CISO, the IT team, and maybe an external auditor to worry about once a year. That comfort zone is gone. In the last decade, a…
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ADT data breach, Toronto SMS blasting, pre-Stuxnet malware discovery
ADT says customer data stolen in cyberattack SMS blasting comes to Toronto Researchers find pre-Stuxnet malware targeting engineering software Get the show notes here: https://cisoseries.com/cybersecurity-news-adt-data-breach-toronto-sms-blasting-pre-stuxnet-malware-discovery/ Thanks to our episode sponsor, Guardsquare Mobile app security isn’t just a tech issue; it’s…
ClickFix Attack Swaps PowerShell for Cmdkey, Remote Regsvr32 Payloads
A newly identified ClickFix attack variant is raising concerns among cybersecurity researchers after it was observed replacing traditional PowerShell-based delivery with a stealthier technique leveraging native Windows utilities. The infection begins with a familiar ClickFix tactic: a phishing page disguised…
Nessus Agent Windows Flaw Enables SYSTEM-Level Code Execution
Tenable has disclosed a high-severity security vulnerability in its Nessus Agent software for Windows that could allow attackers to execute malicious code with full SYSTEM-level privileges. The flaw, tracked as CVE-2026-33694, has been patched in the newly released Nessus Agent version 11.1.3.…
A week in security (April 20 – April 26)
A list of topics we covered in the week of April 20 to April 26 of 2026 This article has been indexed from Malwarebytes Read the original article: A week in security (April 20 – April 26)
U.S. utility giant Itron discloses a security breach
Itron detected unauthorized access to part of its IT environment on April 13, 2026, and launched incident response and notified authorities. Itron disclosed a cyber incident involving unauthorized access to part of its internal IT systems, detected on April 13,…
Safe vulnerability disclosure for UK SMEs: a practical guide
Safe vulnerability disclosure for UK SMEs: a practical guide For many UK SMEs, the idea of someone reporting a security weakness can feel unsettling at first. It may sound technical, formal, or even a little confrontational. In practice, safe vulnerability…
Vidar Malware Conceals Payloads in JPEG, TXT Files to Evade Detection
Vidar has evolved from a basic Arkei-based credential stealer into a multi-stage, stealth-focused infostealer that now hides second‑stage payloads within JPEG and TXT files to evade modern defenses. First observed in 2018, Vidar now operates as a mature Malware‑as‑a‑Service (MaaS) with…
Nessus Agent Vulnerability on Windows Enables Arbitrary Code Execution with SYSTEM Privileges
A newly disclosed security vulnerability in Tenable’s Nessus Agent for Windows could allow attackers to execute malicious code with the highest level of system privileges, raising serious concerns for enterprise security teams relying on the widely-deployed vulnerability assessment platform. The…
pentest-ai-agents – 28 Claude Code Subagents for Penetration Testing
A new open-source toolkit called pentest-ai-agents is redefining how security professionals leverage AI in penetration testing workflows, transforming Anthropic’s Claude Code into a fully specialized offensive security research assistant powered by 28 domain-specific subagents. Released by security researcher 0xSteph on…
Suspicious Microsoft Store App Vibing.exe Allegedly Harvests Screens and Audio
A recently discovered application called Vibing.exe has raised major privacy and security alarms after researchers caught it stealthily recording user screens and audio. Originally available on the Microsoft Store as an AI productivity interface, the app was pulled in late…
Fast16 Malware Targets High-Value Systems With Sabotage Capabilities
A previously unknown cyber sabotage framework called fast16, whose core components date back to 2005. This makes it the earliest known sabotage malware of its kind, predating the infamous Stuxnet worm by at least five years. The fast16 framework consists…
Metabase Enterprise RCE Flaw Now Has Public Proof-of-Concept Exploit
Security researchers have published a working Proof of Concept (PoC) exploit for a critical vulnerability in Metabase Enterprise. Tracked as CVE-2026-33725, this security flaw allows attackers to achieve Remote Code Execution (RCE) and read arbitrary files on targeted systems. The…
New York’s 3D Printing Crackdown: Security or Surveillance?
New York’s latest budget proposal could fundamentally change how 3D printers work—requiring built-in software that scans and blocks certain designs. Supporters say it’s about stopping ghost guns. Critics say it opens the door to surveillance and limits innovation. In this…
Attackers Chain CODESYS Vulnerabilities to Backdoor Applications
Nozomi Networks Labs published critical research detailing three new vulnerabilities in the CODESYS Control runtime. When chained together, these security flaws allow an authenticated attacker with low-level privileges to replace a legitimate industrial control application with a backdoored version. Ultimately,…
25 open-source cybersecurity tools that don’t care about your budget
Regardless of the operating system you use, managing secrets, apps, cloud, compliance, and security operations can be overwhelming. The free, open-source tools presented in this article can help you detect threats, increase visibility, enforce controls, and investigate and respond to…
The AI criminal mastermind is already hiring on gig platforms
Labor-hire platforms let anyone with a credit card post a task and pay a stranger to complete it. The RentAHuman platform extends that model to AI agents through a Model Context Protocol server, allowing an agent to post gigs directly.…
Product showcase: LuLu reveals unauthorized outbound connections from Mac apps
LuLu is a free, open-source firewall for macOS that lets you control which apps are allowed to send data from your computer. macOS includes a built-in firewall, but it mainly handles incoming connections. LuLu also monitors outgoing traffic. Installing and…
Cyber Weapon in Toronto, Grid Attack, Stuxnet Lie Exposed
A rogue cyber weapon drove through Toronto blasting scam texts to thousands of phones. A major U.S. critical infrastructure provider confirms a cyberattack. And researchers reveal that Stuxnet may not have been the first cyber weapon after all. In today’s…
Quantum-Resistant Identity and Access Management for MCP Resources
Secure your MCP hosts with quantum-resistant IAM. Learn about lattice-based signatures, PQuAKE, and 4D context-aware access for AI agents. The post Quantum-Resistant Identity and Access Management for MCP Resources appeared first on Security Boulevard. This article has been indexed from…