Yahoo closes security hole that led to password breach

Share this article:

Yahoo said Friday that it has fixed a security vulnerability that allowed hackers to seize roughly 450,000 unencrypted email addresses and passwords belonging to members of its content-sharing platform.

In a blog post, the web giant said the intruders accessed a "standalone file" that contained the login data used by writers who joined Associated Content  prior to May 2010, the month when Yahoo acquired the company for $100 million. Now called Yahoo Contributor Network, the business unit specializes in producing freelancer-generated, search-optimized content.

According to experts, the hackers, which claimed to be part of a relatively unknown contingent known as "D33ds Company," obtained the information in clear text through a SQL injection attack, a common technique used to infiltrate vulnerable web applications.

"We have taken swift action and have now fixed this vulnerability, deployed additional security measures for affected Yahoo users, enhanced our underlying security controls and are in the process of notifying affected users," the post said. "In addition, we will continue to take significant measures to protect our users and their data."

The company did not specify.

Affected users will be asked to answer a series of challenge questions to enable them to reset their credentials.

Share this article:
You must be a registered member of SC Magazine to post a comment.

Sign up to our newsletters

TOP COMMENTS

More in News

FBI to open Malware Investigator portal to security researchers

The portal is a virus analysis tool that examines suspicious files and shares information about them.

Android bug allowing SOP bypass farther reaching than initially thought

Researchers found that 42 out of the top 100 apps in the Google Play store with 'browser' in their names were vulnerable.

SUPERVALU and AB Acquisition LLC report being breached again

SUPERVALU and AB Acquisition LLC report being breached ...

The breaches involved different malware and both companies are investigating whether payment card information was stolen.