How to restrict access to someone who has local, physical to my computer? [closed]

I want to restrict access to only a specific folder and its contents.
I don’t want anybody to access any of my drives (like hard drives CD drives DVD drives pen drives or any other USB drives, etc.) other than myself.
Nobody should be able… Continue reading How to restrict access to someone who has local, physical to my computer? [closed]

Deciding the kind of key required for implementation of monitoring software

Different companies seek permission to start and run, from our organization. I am approval or permission-giving authority. I am having an inspector who goes to different places and visits companies and does inspection. Depending upon the c… Continue reading Deciding the kind of key required for implementation of monitoring software

Can I use WhatsApp to securely send public key, symmetric key and private key?

I am asking this because WhatsApp says it is end-to-end encrypted.

Are there any problems with sending a public key through WhatsApp?

There might be some objections to sending symmetric and private keys.

Under what circumstances can I … Continue reading Can I use WhatsApp to securely send public key, symmetric key and private key?