EghtesadOnline: Yahoo's disclosure that hackers stole user data from at least 500 million accounts in 2014 has highlighted shortcomings in U.S. rules on when cyber attacks must be revealed and their enforcement.

EghtesadOnline: Headlines about mass data breach es have become ominously routine, and yet password convenience still trumps security for most people. That's why, year after year, the world's most popular log-on remains "123456," a password so obvious it accounted for 17 percent of the 10 million compromised passwords analyzed by Keeper Security, which sells a log-in management service.

EghtesadOnline: Yahoo Inc, which disclosed two massive data breach es last year, said on Wednesday that about 32 million user accounts were accessed by intruders in the last two years using forged cookies.

EghtesadOnline: The second major hack of Yahoo! Inc. user accounts is unlikely to derail Verizon Communications Inc.’s $4.83 billion acquisition of the tech giant, with investors and the public becoming inured to near-daily disclosures of cyberattacks.