Billions of email addresses and other bits of data have been revealed in security breaches this year alone. There’s nothing you can do about what’s already out there, but read on for advice on preventing future problems.

A relatively new form of spam is making the rounds on the Internet. It purports to be from a hacker who has taken over your computer and who will reveal your porn browsing to all your contacts unless you pay a Bitcoin blackmail. It’s fake, but its use of breached passwords as “proof” points toward a concerning future.

Social news site Reddit has announced a relatively minor data theft that’s a good reminder to change old passwords, turn on two-factor authentication, and delete any Reddit content you don’t want linked to your email address.

A new email scam claims to have images of you viewing pornography, and to make its assertion more convincing, it includes an old leaked password in the message. Don’t be fooled.

Have you forgotten your Mac’s admin password, or need to help a friend or client who has lost it? Here’s how to reset it, but beware that doing so prevents access to the account keychain’s collection of login credentials.

AgileBits has released 1Password 7, the company’s first paid upgrade in many years. Are the changes to 1Password mini and the many visual improvements worth the cost of admission?

After discovering that passwords for many user accounts were logged in clear text internally, Twitter is encouraging all users to change their passwords.

AgileBits has introduced 1Password Business, which extends the subscription-based password-management service to large organizations. New features include finely grained access control, custom roles, activity logs, and usage reporting.

Recovering a user’s forgotten password used to require special tools or creative administrative management. It’s fairly easy in recent versions of Mac OS X, but many of us still have or need to help people with older operating systems. Here are all the different ways to get back into a Mac if you’re locked out, no matter what version of Mac OS X it’s running.