"Unfortunately, while all our measures helped Yahoo successfully defend against the barrage of attacks by both private and state-sponsored hackers, Russian agents intruded on our systems and stole our users' data." Verizon disclosed last month that a 2013 Yahoo data breach affected all 3 billion of its accounts, compared with an estimate of more than 1 billion disclosed in December. She said even "robust" defenses are not enough to defend against state-sponsored attacks and compared the fight with hackers to an "arms race." "We now know that Russian intelligence officers and state-sponsored hackers were responsible for highly complex and sophisticated attacks on Yahoo's systems," Mayer said. "Thune told reporters after the hearing the Equifax data breach had created "additional momentum" for Congress to approve legislation.

Source: dna November 09, 2017 06:00 UTC