counterAI — BlogAI security defense, detection and literacy: prompt injection, deepfakes, jailbreaks and how to counter them.https://counterai.euen-usAI Agent Skills: The Security Risks Hiding in a Markdown Filehttps://counterai.eu/blog/en-defense-ai-agent-skills-security-riskshttps://counterai.eu/blog/en-defense-ai-agent-skills-security-risksSnyk found 36% of AI agent skills carry a security flaw. What skills are, how they're weaponised, how to verify one, and how to defend yourself in layers.Sat, 20 Jun 2026 00:00:00 GMTAI Detection Tools in 2026: What Actually Works (and What Doesn't)https://counterai.eu/blog/en-detection-ai-detection-toolshttps://counterai.eu/blog/en-detection-ai-detection-toolsAn honest guide to AI detection tools — deepfake, voice, and AI-text detectors compared. What each category can and can't prove, how to choose, and where content provenance (C2PA) fits in.Thu, 18 Jun 2026 00:00:00 GMTA Practical Prompt Injection Defense Playbook for Companieshttps://counterai.eu/blog/en-defense-prompt-injection-playbookhttps://counterai.eu/blog/en-defense-prompt-injection-playbookYou can't patch prompt injection away, but you can contain it. A layered, practical playbook for businesses deploying AI assistants and agents — least privilege, trust boundaries, human-in-the-loop, and monitoring.Tue, 16 Jun 2026 00:00:00 GMTHow to Tell if Your AI Assistant Has Been Compromisedhttps://counterai.eu/blog/en-detection-spotting-compromised-aihttps://counterai.eu/blog/en-detection-spotting-compromised-aiA prompt injection can hijack an AI assistant silently. Here are the behavioural signals that reveal a compromised assistant, the monitoring that catches it, and how transparency standards fit in.Tue, 16 Jun 2026 00:00:00 GMTAI Jailbreaking: Why Safety Guardrails Break, and What It Means for Trusthttps://counterai.eu/blog/en-literacy-ai-jailbreakinghttps://counterai.eu/blog/en-literacy-ai-jailbreakingWhy can people talk an AI into ignoring its own rules? A clear-eyed explanation of how jailbreaks work — DAN, roleplay tricks, many-shot, Crescendo — what they reveal about model safety, and the myths to drop.Tue, 16 Jun 2026 00:00:00 GMTPrompt Injection: The #1 LLM Security Risk, Explained Through Real Incidentshttps://counterai.eu/blog/en-defense-prompt-injectionhttps://counterai.eu/blog/en-defense-prompt-injectionPrompt injection is the number-one security risk for AI applications. This is what it is, the documented attacks that prove it — EchoLeak, Copilot RCE, ChatGPT memory theft — and why traditional security controls don't stop it.Mon, 15 Jun 2026 00:00:00 GMTAI Hallucinations: What They Are, Why They Happen, and What to Do About Themhttps://counterai.eu/blog/en-literacy-hallucinationshttps://counterai.eu/blog/en-literacy-hallucinationsAI systems confidently generate false information — citations, statistics, legal precedents. Understanding why hallucinations happen is the first step to working with AI safely.Wed, 10 Jun 2026 00:00:00 GMTAI Act Art. 50 From the Reader's Side: How to Spot AI Content Labels and Chatbot Disclosureshttps://counterai.eu/blog/en-detection-ai-act-art50https://counterai.eu/blog/en-detection-ai-act-art50Article 50 of the EU AI Act requires labeling AI content and disclosing chatbots. Here's how to recognize those markers — watermarks, C2PA metadata, bot notices — from August 2, 2026.Fri, 05 Jun 2026 00:00:00 GMTVoice Cloning Fraud: 5 Red Flags in Real-Time Callshttps://counterai.eu/blog/en-defense-voice-cloninghttps://counterai.eu/blog/en-defense-voice-cloningAI voice cloning can impersonate your CEO in seconds. Here are five concrete signals to detect a synthetic voice before you transfer funds or reveal sensitive data.Mon, 01 Jun 2026 00:00:00 GMT