[pro_zac]

"In 2012, a whistleblower reported a hidden backdoor in 360 Secure Browser."

"In January 2020, a Reddit user reported Qihoo's presence in Samsung mobile phones as a pre-installed storage cleaner in the device settings, from where it sends data packages to Chinese servers."

Definitely not a company one would expect to report vulnerabilities. Also odd that they would be find Firefox issues given their browser uses IE and Chrome renderers.

[acqq]

Why should anybody find reporting a zero day suspicious? Independently of the history of the older business practices of the reporter, it can’t be anything than a positive act.