Robert Crawford, MBA West Middle School

 Describe ways criminals obtain passwords  Discuss ways to protect your computer from being accessed by others  Explain the criteria of a strong password  Summarize ways to stay safe online Essential Question To be Discussed

◦ Packet sniffer  Not in Text ◦ Proxy server ◦ Social Engineering

 In many cases, to attack a network, the attacker will use a password. ◦ There are several ways that the password can be obtained. ◦ Last week we talked about password scanning. ◦ There are other ways to obtain passwords

 In many cases, to attack a network, the attacker will use a password. ◦ Guessing ◦ Finding ◦ Sniffing

 A packet sniffer is a program that examines data streams on networks.

 In many cases, to attack a network, the attacker will use a password. ◦ Guessing ◦ Finding ◦ Sniffing ◦ Pretending  Also known as “Social Engineering” ◦ Modifying  Superuser  Admin  etc/shadow

 Use strong passwords ◦ Do not use!  Family names  Nicknames  Birthdates ◦ Instead, use a combination of at least six:  Uppercase characters  Lowercase characters  Numbers  Symbols

 Use strong passwords ◦ And practice good password security.  When registering at a website, be sure to follow the advise for making a “strong” password.  Change your password on a regular basis  Do not record your password on paper near your computer.  Never share your password  Be careful when entering your password

 Use strong passwords  Browse Anonymously ◦ We have already discussed how websites track you as a user. ◦ Anonymizer (not accessible from school network)  Other proxy servers  a proxy server is a server (a computer system or an application) that acts as an intermediary for requests from clients seeking resources from other servers.

 Use strong passwords  Browse Anonymously  Use different addresses  Avoid site registration

 You can avoid most computer crime: ◦ Understand your browsers security settings ◦ Don’t open attachments unless it is from someone you know and seems like something they would send  When in doubt, verify before opening ◦ Deal only with reputable companies  When in doubt, Google the company ◦ Never share personal or financial information  Safe Social Networking

 Describe ways criminals obtain passwords  Discuss ways to protect your computer form being accessed by others  Explain the criteria of a strong password  Summarize ways to stay safe online Essential Question What do you think it should be? Discuss... Words and terms  Packet sniffer  Not in Text  Proxy server  Social Engineering