How can I protect a PDF file?

Adobe Acrobat icon

Episode 1300

Eric from Los Angeles, CA

Eric wants to be able to lock a PDF file so that nobody can modify it. Leo says that every PDF creator, including Adobe Acrobat, can protect it so it can't be modified. He can also also set the PDF so that the document cannot be forwarded to anyone else. If he trusts the person that he's sending it to, he can encrypt the PDF so it requires a password to open it. But understand that if they can open it, they can make an image of it and share it outside of that. So he'll need to trust the person he sends it to.

What are the best alternatives to Adobe Reader?

Episode 1090

Mark from Aliso Viejo, CA

Mark hates Adobe Reader and has removed it in favor of using FoxIt. Leo says rightfully so! But he's concerned about security in FoxIt. Leo says that FoxIt has different issues. But with everything coming off the internet, it's a heck of a challenge to protect against it. Bad guys have moved on from trying to hack the operating system and are now going after third party software like Adobe reader or FoxIt. But since FoxIt has a smaller "footprint" on the internet, it's less risky.