Cybersecurity incident — 2019-10-24 00:00:00
Affected organization: City of Johannesburg
Affected country: South Africa
Industry: Public Administration
Event type: Disruptive
Event subtype: External Denial of Service
Motive: Financial
Actor: Shadow Kill Hackers
Actor type: Criminal
Actor country: Undetermined

The City of Johannesburg shuts down its website and billing systems after a group hacked into the authority's system and demanded a ransom of four Bitcoins worth about $30,000.