With its Web app or iOS app, you can use NameChk to check the availability of a username across dozens of websites.
You don't have to be an online security expert to know that usernames and passwords are not cutting it. It's time to completely re-think how we manage our online identities.
Security researcher says he discovered publicly accessible usernames, email addresses and other personal information after doing random searches.
The security company has taken down its support forum following a hack that compromised usernames, email addresses, and encrypted passwords.
The app, called InstaAlert, was snagging usernames and passwords and sending them to a remote server, according to the developer who spotted it.
Naoki Hiroshima talks of how security practices at PayPal and GoDaddy led to him losing his coveted Twitter handle.
Attackers stole usernames and clues to master passwords, the company says, but are unable to breach the vast store of encrypted passwords the service manages.
Yahoo starts doling out sought-after inactive usernames to people who requested them. If you didn't get your pick, the company is rolling over your requests to a new Watchlist feature, but it will cost newcomers $1.99.
Yahoo will begin recycling usernames on accounts that have been inactive for more than a year. But with log-ins and password recovery linked to e-mail addresses, it's raising some security concerns.
On July 15, Yahoo will start taking the usernames of inactive accounts -- accounts that haven't been used in a year -- and letting others claim them. It's a way for Yahoo to make available some desirable usernames and entice people to return to the site. But with e-mail addresses tied to other accounts and password retrieval, there could be security problems. CNET's Kara Tsuboi explains how Yahoo is planning to protect users' information.