The operating system is the software component that provides abstraction of physical hardware, and provides a generalized model for application software to execute without the need for specific hardware knowledge. Questions on the topic of operating system security should use this tag; you may also ...

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6
votes
2answers
841 views

How effective is the Mac Open Firmware password protection?

I have used Mac's Open Firmware password protection before and I've always wondered how effective it actually is at protecting my stuff. [assuming a good password] Would does the firmware password ...
5
votes
8answers
3k views

Retrieving OSx Keychain passwords

I have a computer forensics style osx login.keychain file that I am trying to find the passwords from. I have a very weak mac which I used crowbarkc on to try and brute force but the horsepower is ...
9
votes
1answer
266 views

What shell binary should I use for the root account on a Linux system?

Is there a security advantage to using a different shell for the root account, either a hardened shell program, or simply a shell binary stored in a non-standard location?
13
votes
4answers
380 views

Stop software updates after the system is “stable”?

Yesterday morning I had an OS class and we just started the part about OS security. When the professor was explaining what is a patch manager, he told us that a computer company he knows which deals ...
8
votes
1answer
418 views

What steps do you take to keep both your computer and internet browsing secure?

I am thinking about your browser setup, antivirus protection, vpn, browsing best-practices and so on.
25
votes
10answers
4k views

Vulnerable OS's?

Which vulnerable OS's like for example DVL would you recommend for someone to use for the purpose of pentest/exploitation learning?
18
votes
1answer
678 views

Is it secure to connect to a remote Windows Server using Remote Desktop only?

I have a Windows Server that I login to from my home. I only use the pre-installed Remote Desktop. Is this a secure way to remote login or should I improve it in some way? If I should improve it, ...