A New Hampshire man has launched legal action against Yahoo, which he accused of failing to properly protect his data.
Jeff Allan's lawsuit comes following a Yahoo data breach last month that led to over 400,000 passwords being stolen.
According to Bloomberg, Allen, who filed the suit in a California court, claimed that the Yahoo hack led to a breach of his eBay account which shared the same login information. Allen says he was only alerted to the breach after eBay got in contact with him.
The amount for which Allen is suing Yahoo is as of yet undisclosed.
Yahoo admitted to the data breach last month. The company confessed that a group of hackers hit the Yahoo Voices platform through a Union based SQL injection technique.
The technique tricks back-end database servers into dumping sensitive information by running malicious code. SQL attacks are commonly executed on poorly protected databases.
The hacking group behind the attack wrote in a blog post that it didn't perform the attack as a malicious threat but rather as a wake up call asking companies to better protect their data.
Yahoo reported that the attack led to only five per cent of user accounts being compromised. As most the passwords stolen wouldn't allow an attacker to hijack a Yahoo email account.
The search giant has had a troubling year up to now. Yahoo's chief executive Scott Thompson stepped down last May, following allegations that his CV contained errors.
He was later replaced by former Google executive Marissa Mayer in July. Mayer will be tasked with fixing the ailing company which finds itself in troubling times.
Yahoo has not responded to requests for comment at the time of this writing.
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