Timeline
A high‑level sequence of key events, with context and impact.
Mar 2017 — MS17‑010 released
Microsoft patches SMBv1 vulnerabilities exploited by EternalBlue.
May 12, 2017 — Outbreak
WannaCry spreads worldwide, encrypting systems across multiple sectors within hours.
May 12–13, 2017 — Kill switch sinkhole
Researchers register the hardcoded beacon domain. Many infections self‑terminate.
Following weeks — Remediation
Organizations patch, restore from backups, and harden networks; variants emerge without kill switches.
Long tail — Lessons
Accelerated patching, SMBv1 deprecation, segmentation, and improved detection become standard practice.
