2017 CE
WannaCry and interconnected-system dependency
Information & communication · Technology · Infrastructure
The May 2017 WannaCry ransomware campaign affected connected systems in many countries and prompted technical response alerts. The episode showed how vulnerabilities, software maintenance, and service continuity are linked in information infrastructure; it does not show that every affected organization shared the same cause or level of preparedness.
Precision, calendar, and review
- Start
- year · no uncertainty qualifier in this record
- Calendar and convention
- Historical-era years; the source calendar is not identified. No conversion of days is assumed.
- Year zero
- The scale goes from 1 BCE to 1 CE without year zero. Changing era names changes labels only.
- Documentary review
- Date not recorded
Reading the date: point event.
Sources
- www.cisa.gov (opens in a new tab)
Source provenance and scope
- Publication date
- Pending verification
- Bibliographic date checked
- 2026-09-23
The correspondence between this reference and individual claims has not yet been itemized.
This record is an editorial synthesis. Consult the sources to check claims and their limits. Chronological relationships alone do not establish causation.