Can websites, through cookies or other usual means, access PDFs opened in browser?

Can websites through the use of cookies or other usual means, see the content in a PDF (saved and opened locally or opened from the web) that is also opened in the browser at the same time, or in the past if it can see the PDF and it’s con… Continue reading Can websites, through cookies or other usual means, access PDFs opened in browser?

How to prevent a user retaining file access with an open handle on Windows?

Suppose a user is a member of a group, and they open (in the Windows API sense) a file whose DACL grants access to that group.
Then, the user stops being a member of the group.
Since access checks are performed at the time of opening the f… Continue reading How to prevent a user retaining file access with an open handle on Windows?

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]

Possible pitfalls with filesharing using local account instead of domain account

I’ve recently eradicated Active Directory from my network. However, I’m having trouble verifying there is no issue with sharing files using a local account instead of a domain account.
I have exactly one server I was unable to convert to u… Continue reading Possible pitfalls with filesharing using local account instead of domain account