Ryuk ransomware is believed to be the culprit behind printing and delivery issues for all Tribune Publishing newspapers as well as newspapers that used to be part of Tribune Publishing. The malware was discovered and later quarantined on Friday, but the security patches failed to hold when servers were brought back online and the ransomware began to re-infect the network. The Los Angeles Times and San Diego Union Tribune were also slammed by the cyber attack. The hacking group Dark Overlord threatened to release internal files if a ransom wasnt paid.”]