Ronin Bridge: The $625M Heist That Ran on Five Keys
North Korea’s Lazarus Group drained Axie Infinity’s Ronin bridge of $625M with five forged signatures and a leftover permission nobody revoked.
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Hmmnm
Hands-on cybersecurity tutorials, CVE breakdowns, and guided learning paths. Every technique is explained, tested, and paired with its mitigation — so you learn the attack and the defense together.
Okta’s Weak Link: When Your IdP’s Vendor Gets Pwned
One contractor’s stolen credentials reached super-admin support tooling across 366 Okta tenants. The identity supply chain’s hardest lesson.
Dirty Pipe: Writing to Files You Cannot Write
One stale pipe flag let unprivileged users overwrite read-only files — /etc/passwd included — for 18 months on every modern Linux kernel.
Samsung’s 190 GB: Lapsus$ and Source-Code Extortion
One contractor’s credentials, 190 GB of Galaxy bootloader and biometrics code, and the pure steal-and-dump model that outlived encryption ransomware.
Conti’s 60,000 Chats: Anatomy of a Ransomware Giant
A pro-Russia statement, a furious insider, and the full Jabber archive of history’s most damaging ransomware brand — dumped for everyone to read.
OpenSea’s $1.7M Phish: The Signature Trap
Seventeen users, one fake migration flow, and $1.7M in Apes gone — the phishing heist that made signature UX a security discipline.
M-22-09: The Memo That Made Zero Trust Federal Law
OMB’s January 2022 mandate gave zero trust deadlines, named technologies, and an oversight structure — rewriting industry roadmaps worldwide.
Lapsus$ Rising: Identity-Driven Extortion’s Breakout
No zero-days, no malware — just MFA fatigue, SIM swaps, and help-desk social engineering. How Lapsus$ broke every assumption.
Apache httpd CVE-2021-44790: The RCE After Log4Shell
A mod_lua multipart buffer overflow announced ten days after Log4Shell. Narrow exposure, but a masterclass in triage under fatigue.
Crypto.com’s $34M Lesson: The 2FA Bypass Blueprint
Attackers defeated the second factor, not the vault, draining $34M from 483 accounts before a platform-wide withdrawal halt stopped them.
Kronos Ransomware: When Payroll SaaS Went Dark
UKG’s Kronos Private Cloud ransomware outage forced thousands of employers onto paper time cards. The definitive SaaS continuity case.
Log4Shell (CVE-2021-44228): How One Logging Library Broke the Internet
A single JNDI lookup string turned every Java logger into a front door. The anatomy, response, and lasting lessons of Log4Shell.
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