Evernote uses online cloud storage to let users access their notes on multiple computing devices.

Story highlights

Tens of millions changing passwords after Evernote was hacked

Popular note-taking tool says no user content, financial info was accessed

Evernote joins Apple, Microsoft, Twitter, Facebook and others in recent hacks

Still no word Monday on how long hackers had access

Tens of millions of online note-takers found themselves worrying about their security Monday, as questions remained about a weekend hack of Evernote.

The online note-taking and archiving service began requiring its 50 million users to reset their passwords Saturday after announcing it was the victim of a security breach, making it the latest tech company in recent weeks to fall victim to hackers.

In a blog post, the California-based company said its security team “has discovered and blocked suspicious activity on the Evernote network that appears to have been a coordinated attempt to access secure areas of the Evernote Service.”

The company said no user content or financial information was accessed. But the hackers were able to access user information, including user names, e-mail addresses and encrypted passwords.

Evernote said the encryption coding they use to protect passwords is “r