When Yahoo first disclosed a massive 2013 breach last year, it said 1 billion accounts appeared to have been compromised. But the search giant, now owned by Verizon, says "new intelligence" has revealed that the breach compromised every single Yahoo account, affecting 3 billion users in total.
At the first of three Congressional hearings slated this week to examine the Equifax mega-breach, one Republican said of the company's delay in detecting the breach: "It's like the guards of Fort Knox forgot to lock the doors and failed to notice the thieves were emptying the vaults."
The online exposure of an unsecured spreadsheet containing personal data on 660 subscribers to the Affordable Care Act health insurance exchange in Vermont has led the state to impose a $264,000 penalty on an IT services firm.
Credit-reporting agency Equifax says its massive breach was even worse than it suspected, affecting 145.5 million U.S. consumers. But it revised the number of suspected Canadian victims from 100,000 down to 8,000, yet says it's discovered that some also had payment card data compromised.
The latest edition of the ISMG Security Report is devoted to a special report on how enterprises around the world should prepare for the European Union's General Data Protection Regulation, which starts being enforced in May.
Former Equifax CEO Richard Smith this week heads to Capitol Hill to testify about the massive breach suffered by the credit bureau. Lawmakers will likely focus on breach detection and response, information security practices and the suspicious timing of three executives' stock sales.
Upscale supermarket chain Whole Foods Market says it's investigating a payment card breach affecting dozens of taprooms and an unspecific number of restaurants located inside its stores. But it says no point-of-sale systems at checkout lanes were compromised.
Fast-food chain Sonic Drive-In is investigating a potential breach involving customers' payment card data. Its alert follows a large, potentially related batch of stolen card data appearing for sale on a cybercrime "carder" marketplace called "Joker's Stash."
"Big four" accounting firm Deloitte suffered a breach last year that may have exposed 5 million internal emails as well as usernames and passwords, client information and health details, the Guardian reports.
The chairman of the U.S. Securities and Exchange Commission will face the Senate Banking Committee next week following the agency's belated disclosure that in May 2016, hackers stole secret market data from the SEC's systems and apparently used it for "illicit gain through trading."
Analyzing the impact of a breach of computers at the U.S. Securities and Exchange Commission leads the latest edition of the ISMG Security Report. Also, exploring alternative plans to implement cybersecurity regulations on credit reporting bureaus in the wake of the Equifax breach.
Canada had been lagging behind the U.S. and some other nations in terms of breach notification regulations, but now it's catching up, says attorney Imran Ahmad, who explains new regulations that are going into effect.
Hackers behind the mega-breach at Equifax stole data in May, but they - or other attackers - penetrated the credit bureau's systems in March, exploiting a vulnerability for which Apache Struts had issued a patch, just four days prior.