{"type":"post","id":"chainalysis-discloses-breach-by-an-attacker-using-offensive-02562e","slug":"chainalysis-discloses-breach-by-an-attacker-using-offensive-02562e","title":"Chainalysis discloses breach by an attacker using 'offensive agentic techniques'; customer names, emails, user IDs and roles accessed","description":"Chainalysis says an external actor used “offensive agentic techniques” to obtain unauthorized access to its systems and internal tools.","retrieval_nugget":"Chainalysis says an external actor used “offensive agentic techniques” to obtain unauthorized access to its systems and internal tools. The company reports that customer identity and role data was accessed, while saying its investigation has found no evidence that case content, credentials, MFA secrets, or session tokens were accessed.","published_at":"2026-10-31","updated_at":"2026-10-31","record_date":"2026-10-31","date_kind":"published_at","topics":["agent-security","sandbox"],"entities":["Chainalysis","Binance"],"related_patterns":["agent-security-moves-to-runtime-boundaries"],"novelty_label":"new_fact","what_changed":"Chainalysis disclosed an intrusion in which customer names, emails, user IDs and roles were accessed by an attacker using “offensive agentic techniques.”","prior_refs":[],"source_url":"https://www.chainalysis.com/blog/security-incident-october-30","source_urls":["https://www.chainalysis.com/blog/security-incident-october-30"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:chainalysis-discloses-breach-by-an-attacker-using-offensive-02562e","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/chainalysis-discloses-breach-by-an-attacker-using-offensive-02562e/","markdown":"https://newruntime.com/posts/chainalysis-discloses-breach-by-an-attacker-using-offensive-02562e.md","json":"https://newruntime.com/posts/chainalysis-discloses-breach-by-an-attacker-using-offensive-02562e.json"},"next_reads":[{"type":"topic","path":"/topics/agent-security/","url":"https://newruntime.com/topics/agent-security/","title":"Agent Security","reason":"Explore the agent-security topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agent-security.md","json_url":"https://newruntime.com/topics/agent-security.json"},{"type":"topic","path":"/topics/sandbox/","url":"https://newruntime.com/topics/sandbox/","title":"Sandbox","reason":"Explore the sandbox topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/sandbox.md","json_url":"https://newruntime.com/topics/sandbox.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}