Yahoo

Google, Microsoft and Yahoo have remedied a cryptographic weakness in their email systems that could allow an attacker to create a spoofed message that passes a mathematical security verification.

The weakness affects DKIM, or DomainKeys Identified Mail, a security system used by major email senders. DKIM wraps a cryptographic signature around an email that verifies the domain name through which the message was sent, which helps more easily filter out spoofed messages from legitimate ones.

 Research In Motion is getting no respect from Marissa Mayer.

Yahoo's new CEO informed employees yesterday that they would be getting the new smartphone of their choice from Apple, Samsung, Nokia, or HTC. Through the program, Yahoos will have access to the industry's newest and hottest phones, including the iPhone 5, Samsung Galaxy S3, HTC Evo 4G LTE, and Nokia Lumia 920.

Your exposure on social networks can enable a rather unusual solution for general computing applications.

For example, a future computer system may question you about who you know and who you do not and grant you access to the system based on your answers.

Yahoo! Inc. (YHOO), the operator of the biggest U.S. Web portal, was sued for negligence over its disclosure that as many as 450,000 user names and passwords were stolen from one of its sites.

A Yahoo user who said his login credentials were posted online after a hacker infiltrated a company database on July 11 filed a complaint July 31 in federal court in San Jose, California.

Hackers are spoofing Yahoo email addresses in what appears to be a new dating scam, a security vendor warned on Thursday.
 
Sophos said its spam traps yielded several emails bearing Yahoo addresses that sought to start a relationship with the recipient.
 

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.

Marissa Mayer, one of the most well-known and longest-tenured employees of Google, resigned from Google today. She will take over as CEO of Yahoo tomorrow, the New York Times and other outlets are reporting.

Yahoo on Thursday confirmed that its database was hacked to steal about 400,000 usernames and passwords of members who belong to the company's Contributor Network, which formerly was known as Associated Content.

Yahoo said the theft of the file occurred on Wednesday, but fewer than five percent of the stolen accounts still contained "valid" passwords.

Yahoo said it will roll out globally this week a new antispam specification intended to make it easier for service providers to confidently discard suspicious email messages. 

The specification, called DMARC (Domain-based Message Authentication, Reporting & Conformance), allows email senders to tell receiving services if they are using two other technologies to weed out spam.

Yahoo Japan has rejected claims that Yahoo’s latest change of leader will impact upon the potential sale of its share in the Japanese joint venture, as the troubled Web firm looks to streamline its business.