You could do an integrity check of those files. Using a program like Tripwire or just an md5 calculator, you can get a fingerprint of the normal outlook.exe and iexplore.exe programs. Then, you can check to see if they have changed. If they have changed, it means you have either installed a patch or someone has altered them, possibly maliciously.
For more information on this topic, visit these other SearchSecurity.com resources:
Tech Tip: Inspect files and directories for unexpected changes
Tech Tip: Verify your data
Best Web Links: Securing your products and platforms
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.