Superfish - Lenovo's shameful factory install adware

Lenovo shamefully decided to bundle ad-ware into their laptops straight from the factory.  Users complained that they were getting unexpected advertising pop ups sparking an investigation.  It was discovered that Superfish software had been installed creating an additional certificate authority,allowing third parties to masquerade as legitimate sites.  These third parties injected adds,  effectively a man in the middle attack.  This, I presume, makes Lenovo a little more money and users a lot more vulnerable

It's not just Lenovo komodia.com, who made the software is used by other many companies.

Full details here
http://www.theregister.co.uk/2015/02/20/superfish_is_malware_us_government/