The Ryuk ransomware strain is the primary suspect in a cyberattack that caused printing and delivery disruptions for several major U.S. newspapers over the weekend.
"A computer virus infected the business systems associated with the printing process".
"We apologize to our customers for this inconvenience". "Thank you for your patience and support as we address the infection".
The cyberattack appeared to target newspapers owned by the Tribune Publishing Company.
However, Tribune Publishing's website was not affected and no customer information was compromised, according to the statement issued by the company on Saturday.
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Tribune Publishing completed its $500 million sale of the Los Angeles Times and San Diego Union-Tribune to biotech billionaire Patrick Soon-Shiong in June, but still provides printing and other services to the California newspapers in an ongoing transition services agreement.
According to reporting from The Los Angeles Times, the company believes the production of other newspapers may also be affected but has yet to confirm details.
The Times said that the glitch was detected Friday but technology teams were unable to fix the problem before press time.
While newspapers are often looked at as an antiquated news deliver system and ancient means of entertainment, there are still many subscribers across the USA who look forward to getting the latest edition every day.
As a result, the delivery of the Saturday editions of the LA Times and San Diego Union Tribune were delayed. The Sun Sentinel told readers that they would receive their Saturday issue along with their Sunday papers. The papers had previously been part of Tronc, the previous name of Tribune Publishing.
The virus also affected the paper's digital replica online.
Malware has, over time, become more sophisticated and coordinated, involving more planning by networks of hackers who infiltrate a system over time, she said.