Yahoo Inc. (NASDAQ: YHOO) sent a new notice to its users regarding a potential data breach on their accounts between 2015 and 2016. The technology company did not disclose the number of people affected by the latest malicious activity.
The technology giant has an ongoing investigation related to the massive data breach that compromised more than one billion user accounts in August 2013. It is the biggest data breach in history.
On Wednesday, Yahoo informed users that the hacker used forged cookies to access their accounts. Forged cookies are strings of data used across the web and sometimes allow people to log in to accounts without re-entering their passwords.
“Our outside forensic experts have been investigating the creation of forged cookies that could allow an intruder to access users’ accounts without a password. Based on the ongoing investigation, we believe a forged cookie may have been used in 2015 or 2016 to access your account,” according to Yahoo in its e-mail to users.
A Yahoo spokesperson confirmed that the notification is real and it is in the process of sending it to all potentially affected account holders. The technology company believed that a “state-sponsored actor” was responsible for the malicious activity.
In December, Yahoo said the hacker might have stolen user account information that included names, e-mail addresses, telephone numbers, date of birth, hashed passwords (using MD5), and in some cases encrypted or unencrypted security questions and answers. The technology company also stated that the stolen information did not include passwords with clear text, payment card data or bank account information.
Joshua Plotkin, a biology professor at the University of Pennsylvania, told AP the some of them received an e-mail from Yahoo regarding the latest data breach. He said, Within six people in our lab group, at least one other person has gotten this email. That’s just anecdotal of course, but for two people in a group of six to have gotten it, I imagine it’s a considerable amount.” Plotkin added that he was not concerned because his Yahoo e-mail was “close to spam.”
Verizon close to reaching renegotiated deal with Yahoo
Verizon Communications (NYSE: VZ) is close to reaching a renegotiated deal to acquire the core internet business of Yahoo. The acquisition price $250 million to $350 million less than the agreed $4.83 billion, according to Reuters based information from people with knowledge of the situation.
The source added that Yahoo and Verizon agreed to share the liability from potential lawsuits related to the data breaches. The technology giant agreed to amend the terms of the original agreement to reflect the economic damage from the massive cyber attacks, which resulted to investigations by federal regulators including the U.S. Federal Trade Commission (FTC) and the Securities and Exchange Commission (SEC). Lawmakers are also investigating the issue.
The stock price of Yahoo increased 1.40% to $45.65 per share on Wednesday.
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