ACC 220 Lecture Notes - Lecture 38: Internet Message Access Protocol, File Transfer Protocol, Post Office Protocol

• School: McKendree University
• Department: Accounting
• Course: ACC 220
• Professor: Julie Goodin

Document Summary

File transfer protocol (ftp) used to transfer text files, programs, spreadsheets, and databases across the internet. Simple network mail protocol (snmp) most popular protocol for transmitting e-mail messages. E-mail messages can also use post office protocol and internet message. Secure sockets layer (ssl) low-level encryption scheme used to secure transmissions in higher-level http format. Private communications technology (pct) security protocol providing secure transactions over the web. Most web browsers and servers support pct and ssl. Secure electronic transmission encryption scheme to secure credit card transactions. Privacy enhanced mail (pem) standard protocol for secure e-mail on the internet. Supports encryption, digital signatures, and digital certificates. Sniffing unauthorized interception of information (such as user ids, passwords, confidential e-mails, and financial data files) by a node on the network. Exposure is greater when connected to the internet. Risk #2: privileged employees with access to corporate databases. Risk that an employee will view, corrupt, change, or copy data using their access privileges.