People didn't believe that you could cancel a UK passport based on few details now heres the proof. I know this is not Thai visa related but fellow Brits be careful of people that out there with your passport details. If your employer has a British accent I guess its enough for them to cancel your passport. Again Thank you UK Government for our Lax security.
Edit - I want to thank Robert Lagas who helped me throughout this situation and gave me a peace of mind when my own government couldnt.
TLDR : Answer Summary
A user shares their troubling experience of having their UK passport canceled seemingly with little information, raising concerns about security practices and the vulnerability of personal information, especially among expats. The discussion touches on the lax security measures of the UK government and highlights the importance of being cautious about personal data, even in workplaces with British representatives.