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New Cisco firewall malware can only be killed by pulling the plug

New Cisco firewall malware can only be killed by pulling the plug 2026-04-24 at 13:17 By Zeljka Zorz Suspected state-sponsored attackers are using a custom backdoor to persistently compromise Cisco security devices (firewalls), the US CISA and the UK National Cyber Security Centre warned on Thusday. “The [Firestarter] malware (…) is relevant for both Cisco […]

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OpenAI’s GPT-5.5 is out with expanded cybersecurity safeguards

OpenAI’s GPT-5.5 is out with expanded cybersecurity safeguards 2026-04-24 at 11:27 By Sinisa Markovic Competition to release stronger AI models is accelerating, and just weeks after the release of GPT-5.4, OpenAI has introduced GPT-5.5, pointing to expanded safeguards in the new model. GPT-5.5 is being rolled out to Plus, Pro, Business, and Enterprise users in […]

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AI is speeding up nation-state cyber programs

AI is speeding up nation-state cyber programs 2026-04-24 at 08:40 By Mirko Zorz Im this Help Net Security interview, Kaja Ciglic, Senior Director, Cybersecurity Policy and Diplomacy at Microsoft, discusses how nation-state cyber programs have changed over three years. Cyber has become a core instrument of state power, integrated with military, economic, and diplomatic tools. […]

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A study of 1,000 Android apps finds a privacy policy logging gap

A study of 1,000 Android apps finds a privacy policy logging gap 2026-04-24 at 08:22 By Anamarija Pogorelec Android developers write log statements for the same reasons they always have: debugging crashes, tracing performance issues, and understanding how features behave in production. Legal and privacy teams, working from templates and regulatory checklists, draft policies describing […]

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With AI’s help, North Korean hackers stumbled into a near-undetectable attack

With AI’s help, North Korean hackers stumbled into a near-undetectable attack 2026-04-24 at 08:22 By Zeljka Zorz For many years, state-sponsored hacking was defined by human expertise in finding security holes, writing malware and exploits, pulling off social engineering and phishing attacks, and much more. Since the advent of LLM-powered AI assistants and tools, less […]

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Apple fixes iPhone bug that let FBI retrieve deleted Signal messages(CVE-2026-28950)

Apple fixes iPhone bug that let FBI retrieve deleted Signal messages(CVE-2026-28950) 2026-04-23 at 14:17 By Zeljka Zorz Apple has rolled out security updates for iPhones and iPads that fix CVE-2026-28950, a logging issue in Notification Services that made devices unexpectedly retain notifications marked for deletion. The vulnerability was patched following a recent report about the […]

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GopherWhisper APT group hides command and control traffic in Slack and Discord

GopherWhisper APT group hides command and control traffic in Slack and Discord 2026-04-23 at 12:17 By Anamarija Pogorelec Attackers continue to lean on everyday collaboration platforms to hide command and control traffic inside normal enterprise noise. A newly identified China-aligned APT group pushes that trend further, running its operations through Slack workspaces, Discord servers, Outlook […]

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Scenario: Open-source framework for automated AI app red-teaming

Scenario: Open-source framework for automated AI app red-teaming 2026-04-23 at 09:47 By Mirko Zorz Enterprises running customer service bots, data analytics agents, and other AI-driven applications in production handle sensitive records and connect to core business systems every day. LangWatch has released Scenario, an open-source framework that runs automated red-team exercises against AI agents using […]

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A year in, Zoom’s CISO reflects on balancing security and business

A year in, Zoom’s CISO reflects on balancing security and business 2026-04-23 at 09:47 By Mirko Zorz In this Help Net Security interview, Sandra McLeod, CISO at Zoom, reflects on her first year in the role. She talks about moving from reactive firefighting to business strategy, and what she heard from engineers, the board, and […]

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GDPR works, but only where someone enforces it

GDPR works, but only where someone enforces it 2026-04-23 at 07:32 By Sinisa Markovic A new measurement study of web tracking across ten countries offers a reality check for anyone working on privacy compliance. Researchers crawled the same set of globally popular websites from virtual machines located in Australia, Brazil, Canada, Germany, India, Singapore, South […]

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New Mirai variants target routers and DVRs in parallel campaigns

New Mirai variants target routers and DVRs in parallel campaigns 2026-04-22 at 16:42 By Zeljka Zorz Hidden inside newly discovered botnet malware is an unusual message from its creator: “AI.NEEDS.TO.DIE”. Dubbed “tuxnokill” by researchers at Akamai, the malware is one of two fresh Mirai botnet variants documented this month by major cybersecurity firms and, judging […]

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Progress Software fixes sneaky WAF bypass vulnerability (CVE-2026-21876)

Progress Software fixes sneaky WAF bypass vulnerability (CVE-2026-21876) 2026-04-22 at 14:47 By Zeljka Zorz Progress Software has fixed a slew of high-severity vulnerabilities in MOVEit WAF and LoadMaster, including a flaw (CVE-2026-21876) that may allow attackers to bypass firewall detection. MOVEit WAF (web application firewall) is designed to protect Progress’s managed file transfer platform MOVEit […]

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PentAGI: Open-source autonomous AI penetration testing system

PentAGI: Open-source autonomous AI penetration testing system 2026-04-22 at 10:09 By Anamarija Pogorelec Penetration testers have long relied on collections of specialized tools, manual coordination, and documented runbooks to work through a target assessment. PentAGI, an open-source project from VXControl, attempts to automate that entire workflow using a multi-agent AI system that plans, researches, and […]

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CISA flags another Cisco Catalyst SD-WAN Manager bug as exploited (CVE-2026-20133)

CISA flags another Cisco Catalyst SD-WAN Manager bug as exploited (CVE-2026-20133) 2026-04-21 at 15:29 By Zeljka Zorz CISA added eight new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including a Cisco Catalyst SD-WAN Manager vulnerability (CVE-2026-20133) that Cisco has yet to flag as exploited. Three Cisco Catalyst SD-WAN Manager vulnerabilities Alongside CVE-2026-20133, CISA has […]

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A single platform powers SIM farm proxy networks across 17 countries

A single platform powers SIM farm proxy networks across 17 countries 2026-04-21 at 12:30 By Mirko Zorz Racks of phones and 4G modems, connected to carrier networks and rented out as commercial mobile proxy services, are operating across at least 94 locations in 17 countries. An investigation by infrastructure intelligence firm Infrawatch traced a large […]

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Researchers build an encrypted routing layer for private AI inference

Researchers build an encrypted routing layer for private AI inference 2026-04-21 at 07:31 By Sinisa Markovic Organizations in healthcare, finance, and other sensitive industries want to use large AI models without exposing private data to the cloud servers running those models. A cryptographic technique called Secure Multi-Party Computation (MPC) makes this possible. It splits data […]

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Vercel breached via compromised third-party AI tool

Vercel breached via compromised third-party AI tool 2026-04-20 at 18:12 By Zeljka Zorz Cloud deployment and hosting platform Vercel has suffered a security breach that resulted in attackers accessing some of its internal systems and compromising Vercel credentials of a “limited subset of customers”. Advice for affected customers “The incident originated with a compromise of […]

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AI platform ATHR makes voice phishing a one-person job

AI platform ATHR makes voice phishing a one-person job 2026-04-20 at 14:37 By Zeljka Zorz For $4,000 and a cut of the take, a lone criminal can now run a fully automated voice-phishing operation via ATHR, a plaform that spoofs emails alerts from Google, Microsoft, and Coinbase, buries a phone number in each message, and […]

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SmokedMeat: Open-source tool shows what attackers do inside CI/CD pipelines

SmokedMeat: Open-source tool shows what attackers do inside CI/CD pipelines 2026-04-20 at 09:14 By Mirko Zorz Boost Security has released SmokedMeat, an open-source framework that runs attack chains against CI/CD infrastructure so engineering and security teams can see what an attacker would do in their specific environment. What the tool does SmokedMeat takes a flagged […]

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How to spot a North Korean fake in a job interview

How to spot a North Korean fake in a job interview 2026-04-20 at 08:17 By Help Net Security North Korean operatives are getting hired at companies by passing job interviews using fake identities and AI tools. In this Help Net Security video, Adrian Cheek, a senior cybercrime researcher at Flare, outlines several ways organizations can […]

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