Johannesburg City crippled as hacker demands Bitcoin ransom

From businesstech.co.za

The City of Johannesburg shut 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. The call center, cashiers and other digital platforms were also taken offline as a precaution following the breach, the City said on its Twitter account. Technical teams are working to restore services, it said. A group called Shadow Kill Hackers advertised the hack on the City’s website before it was shut down, local broadcaster eNCA reported. The cyber extortionists then threatened to upload all hijacked data on the internet by Oct. 28 if ... (full story)