http://www.zdnet.com/article/twitter-anomalydetection-tool-goes-open-source/
By Charlie Osborne
Zero Day
ZDNet News
January 7, 2015
Twitter has opened up suspicious activity tracker AnomalyDetection to
developers.
The social media giant said on Tuesday the tool, dubbed AnomalyDetection,
is used by the firm's team to detect unusual traffic events including
traffic spikes and surges, as well as the presence of spam bots. In the
world of Big Data, such spikes on a company's networks can negatively
impact service by flooding Internet lanes, causing denial-of-service
problems and website crashes, as well as irritating users on an individual
level -- if spam levels are not kept under control, for example.
AnomalyDetection, an open-source R package which automatically detects
anomalies, is used by Twitter to scan for spikes in traffic. While traffic
surges can be legitimate and the result of events such as Christmas Eve
and New Year's Day -- as well as breaking news events or viral stories --
the tool can also find bots, spammers and problems in system metrics.
"We're open-sourcing AnomalyDetection because we'd like the public
community to evolve the package and learn from it as we have," Twitter
says.
[...]
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