But he also said that "the fact that there were breaches still needs to be proved.
"After years of increasingly severe data breaches and password credential theft, now is the time for service providers to end their dependency on vulnerable passwords and one-time-passcodes and adopt phishing-resistant FIDO Authentication for all websites and applications," said Brett McDowell, executive director of the FIDO Alliance, one of the bodies pushing the new standard.
"After years of increasingly severe data breaches and password credential theft, now is the time for service providers to end their dependency on vulnerable passwords and one-time-passcodes and adopt phishing-resistant FIDO Authentication for all websites and applications," said Brett McDowell, executive director of the FIDO Alliance, one of the bodies pushing the new standard.
The hackers were also responsible for previous data breaches affecting Whole Foods, Chipotle, Omni Hotels & Resorts and Trump Hotels, according to Gemini Advisory.
The terms of that deal could be amended - or the transaction may even be called off - after Yahoo last year disclosed two separate data breaches; one involving some 500 million customer accounts and the second involving over a billion.
As the once-mighty internet group's reputation suffers slow death by a billion data breaches, a rebrand, however dull or wacky, would probably come as a merciful relief to Yahoo's job-seeking employees.
5m employees from the world's 1,000 biggest public companies have been discovered online by a British cyber security firm that searched through data compromised by recent breaches of popular websites.
But even in these desensitised times, few breaches can match the one revealed by Yahoo on Thursday, when it announced the theft of personal information belonging to 500m users dating from 2014.
Leaving breaches undiscovered or unreported for too long can ultimately compromise a country's economic competitiveness or national security, Mandiant warns.
It's not just for the sake of politeness — more than three-quarters of HR managers recently polled by Robert Half said technology etiquette breaches can affect a person's career prospects.
Zuckerberg is not immune to security breaches.
The demand by the FBI that Apple help it break into the San Bernardino shooter's iPhone breaches its constitutional rights under the First and Fifth Amendments by seeking to "conscript and commandeer" its employees, the Silicon Valley company argued in a legal response on Thursday.
We have seen many very public breaches of trust and deep down that is a fear most of us have.
Approval last week of EU data protection rules permitting hefty fines for privacy breaches may prevent a repetition; consent will no longer be the elastic commodity it was.
It has banned wordplay on the grounds that it breaches the law on standard spoken and written Chinese, makes promoting cultural heritage harder and may mislead the public – especially children.
The Gmail leak comes soon after two other major security breaches leaked on the same Bitcoin forum, which targeted Russian email service prodiver Mail.