IBM Advises Businesses To Block Tor

With Tor-based attacks on the rise, IBM says it’s time to stop Tor in the enterprise.

Kelly Jackson Higgins

New data from IBM’s X-Force research team shows steady increase in SQL injection and distributed denial-of-service attacks as well as vulnerability reconnaissance activity via the Tor anonymizing service.

Tor, which gives users the ability to mask their identity and location via layers of anonymity, was the platform for some 150,000 attacks and malicious events out of the US alone so far this year, according to IBM. Most attacks using Tor were waged against IT and communications technology companies, which were hit by more than 300,000 events so far this year, followed by the manufacturing sector, with nearly 250,000 malicious events. Financial services firms (around 160,000), the education sector (more than 100,000) and retail and wholesale (under 100,000) were also the victims of malicious Tor-based activity.

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