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Operating Systems
A foundational computing platform.
- This makes OS's a very big target
Remarkably complex
- Millions of lines of code
- More code means more opportunities for a security issue
The vulnerabilities are already in there
- We've just not found them yet
A month of OS updates
A normal month of Windows updates
- Patch tuesday - 2nd Tuesday of each month
- Other companies have similar schedules
May 9th 2023 - Nearly 50 security patches
- 8 elevation Privilege Vulnerabilities
- 4 Security Feature Bypass Vulnerabilities
- 12 Remote Code Execution Vulnerabilities
- 8 infomration Disclosure Vulnerabilities
- 5 Denial of Service Vulnerabilities
- 1 Spoofing Vulnerability
Best practices for OS vulnerabilities
Always update
- Monthly or on-demand updates
- It's a race between you and the attackers
• May require testing before deployment
- A patch might break something else
• May require a reboot
- Save all data
• Have a fallback plan
- Where's that backup?
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