Post-Snowden, China is able to taunt the Americans with claims that their products have back-doors and other security concerns.
Symantec immediately denied it puts back doors in its products.
Symantec and Kaspersky join a growing cast of US companies which have fallen under the baleful scrutiny of the China authorities.
Qualcomm, Microsoft, Apple and Applied Materials are all currently feeling the China chill.
Google pulled out of China four years ago when it the authorities started interfering with its China-based service.
There’s a tit-for-tat element - America banned Huawei equipment, also alleging back-doors, and recently accused five Chinese military men of stealing US secrets.
It’s very childish but no apparent effort is being made to resolve the issues.
Maybe it’s because the American authorities are still in denial that the US does all this spying despite overwhelming evidence to the contrary.