Russia Seeks 20 Years for Cyber-Cops in U.S.-Linked Treason Case

Prosecutors in the treason trial of a top former Russian cybersecurity officer who was allegedly compromised by U.S. intelligence are seeking a 20-year prison term.

While few details have emerged about the secret case at Moscow district military court, there have been tantalizing threads potentially linking the central figures to espionage, election hacking and the breach of hundreds of millions of Yahoo! Inc email accounts.

Prosecutors are asking for the maximum sentence when the court delivers its verdict on Feb. 26, according to two people familiar with the case, who asked not be identified because they’re not authorized to discuss ...