Twitter and its users have perennial problems with spam, as a quick search of Naked Security will reveal.
So you might be surprised that the micro-blogging site's own Twitter identity for reporting spam, the easily-remembered account "@spam", has been killed off.
The Syrian Electronic Army appears to have hacked into accounts belonging to the NPR media network, and defaced news stories.
American singer Victoria Justice is not happy that someone (she blames a hacker) has leaked swimsuit photos of her onto the internet.
And she's quite right to be upset - both with the hacker, and the website that published them.
A US teenager is charged with distributing child pornography after allegedly hacking minors' cellphones through an SMS ad that installed malware, giving him access to the phones' content.
The official Twitter account used by the BBC's weather team has been hijacked by Syrian hackers.
Fortunately, they don't seem to be using it to spread malicious links - but are instead trying to spread political messages about Syria instead.
Many people are following a Twitter account which claims to belong to the new Pope.
And, as we all know, cybercriminals love to take advantage of a hot news story to spread attacks and dupe people into clicking on links without thinking.
Saudi Aramco, the national oil company of Saudi Arabia, has had its official Twitter account compromised by hackers.
The hackers have changed the firm's avatar and are tweeting out a series of messages.
Have your joined thousands of others, and become a loyal listener to the "Chet Chat" yet?
Here's the latest Naked Security podcast, Sophos Security Chet Chat 103, discussing a range of recent and newsworthy topics from the world of computer security.
An impossibly coiffed real estate mogul's Twitter account starts posting hip-hop lyrics.
Do *you* take enough care of your social media accounts?
Shortly after admitting that its own techies got infected thanks to a Java hole, Apple has pushed out a Java update for the rest of us.
Apple, with this most recent update, seems to have washed its hands permanently of browser-based Java. Paul Ducklin explains...
The controversial presenter of BBC's "Top Gear" programme, has had his Twitter account compromised by spammers... and he wants his revenge.
Within seconds of the news breaking that Pope Benedict XVI was to resign, spam began to appear on Twitter taking advantage of the story.