Dial-up, PBX, Voicemail, and VPN Hacking
Dial-up, PBX, Voicemail, and VPN Hacking. Lesson 13. Dial-up connections. Interestingly, earlier versions of text didn’t have as robust a section on dial-ups, PBX’s, etc… It may be somewhat surprising, but many organizations still have analog dial-up connections into their systems
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