Twitter looks to beef up security after password breach

Following last week's hack, Twitter appears to be planning to make logins more secure by introducing two-factor authentication.

Twitter acquires social TV analytics firm Bluefin

Twitter is buying social analytics company Bluefin Labs in what's reported to be its biggest acquisition yet.

250,000 accounts affected by Twitter hack

Twitter has positively identified "unauthorized" attempts to access user data, discovering at least one live attack and shutting down the process moments later.

Twitter ordered to identify French racists

In a landmark ruling, a French court has ordered Twitter to hand over details of users who posted racist and anti-semitic content.

Twitter looks to video with launch of Vine

If a picture is worth a thousand words, six seconds of video ought to be plenty for anyone used to expressing themselves in 140 characters or fewer.

Report: Instagram CEO misled regulators about offer from Twitter

Just weeks before accepting a $1bn offer from Facebook, Instagram CEO Kevin Systrom agreed to sell the company to Twitter - but then changed his mind, according to a report.

Twitter adds photo filters in battle with Instagram

As promised, Twitter has added Instagram-style features to its service, allowing users to edit photos and apply filters.

Instagram disables Twitter photo integration

Facebook-owned Instagram has disabled a feature that allowed Twitter users to view full versions of photos on the social network. Without Twitter Cards, pictures now appear distorted or cropped.

Twitter forced to keep firehose flowing

Social media analytics service PeopleBrowsr has won a temporary restraining order against Twitter, forcing it to carry on supplying the company with its firehose of data.

IDF live-tweets attacks on Gaza

Over the last 24 hours, the Israeli Defense Forces (IDF) has been live-tweeting its attacks on the Hamas-controlled Gaza strip, including the assassination of a Hamas military leader.

Twitter in hack SNAFU

Twitter acknowledges unintentionally resetting a significant number of account passwords after an unknown number of users were compromised.

Shift to Ruby helped Twitter survive election night

People sent more than 31 million election-related tweets on Tuesday, says Twitter - and the Fail Whale was nowhere to be seen.

Microsoft retires Facebook, Twitter Xbox apps

Although the new Xbox 360 Dashboard adds a lot of features, it gets rid of two of the most popular apps.

Twitter uses country-specific censorship for first time

Twitter has blocked access to a neo-Nazi account at the request of the German government, the first time it's put its local censorship plans into action.

Twitter DMs deliver malware

Twitter users are receiving direct messages, purportedly from friends, alerting them to Facebook videos in which they are said to feature.

Twitter API changes go down badly with developers

Twitter's made changes to its API, restricting the creation of large-scale third party applications - and developers aren't at all happy about it.

Pinterest is finally open for all

The newest rising star in social media is no longer invitation-only.

Reuters hacked by pro-Assad activists

Reuters has been hacked, twice, by Syrian pro-government activists.

Twitter creates "Political Index" scores

Twitter is now ranking the pulse of the country in a numerical Obama-v-Romney scale.

Apple reportedly eyes Twitter investment

Apple wants to increase its stake in the world of social media.