Yahoo: 3 Billion Accounts, Four Years Hidden

Three billion user accounts. Two separate breaches. Four FSB-directed operatives. And nearly two years of silence between what Yahoo's security team knew and what the public was told.This episode traces the full operation from the spear phishing campaign that opened the door, through the forged authentication cookies that bypassed every login screen, to the SEC enforcement action that established a new category of regulatory risk: the failure to disclose a known breach.Chapters:0:00 — 3 Billion1:47 — The Spear Phishing Campaign3:26 — Inside Yahoo's Network5:39 — The Stolen Database7:28 — The Account Management Tool9:14 — The Hybrid Model: State + Criminal11:03 — The Silence13:23 — The Disclosures15:23 — The SEC Enforcement17:14 — The Indictment17:58 — Aftermath18:20 — The PatternSources: DOJ indictment (United States v. Dokuchaev et al.), SEC enforcement order (Altaba Inc.), Yahoo SEC filings, Verizon acquisition disclosures.Full technical breakdown and free PDF summary at zerodaylogs.com.