McAfee faces charges for failing to file taxes between 2014 and 2018, and hiding his income.

Intel is looking at options for Intel Security, including potentially selling the antivirus software maker formerly known as McAfee which it bought for $7.7bn almost six years ago.

Cisco, Apple, McAfee and Citrix have all been dropped from China's official list of approved products. The change means the companies' products are no longer on a list used by government departments to equip offices and data centres.