Network Security - Monroe Community College

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Transcript Network Security - Monroe Community College

Cyber Security - Threats
James Clement
Network Specialist
ETS: Communications & Network Services
[email protected]
Current trends in attacks
Attacks come from the most popular services, E-Mail, Web
Browsing, File Sharing, and Software installation.
Most Common problems encountered by users:
Infection (WORM / Virus / Trojan Horse)
SPAM E-Mail (Phishing)
Wireless Sniffing / Theft
Phishing for your personal information
Using a combination of fraudulent websites &
spoofed E-Mail, attackers blend social engineering
with software flaws to steal private information.
Phishing is quickly becoming the fastest growing
threat to have developed on the Internet in the
past six months, growing 180% from March 2004
to April 2004.
The goals and targets of phishing
Financial institutions (online banking) and E-commerce
sites are major targets of impersonation.
Information they want from you:
Credit Card Numbers
Bank account numbers, PayPal accounts
Social Security Numbers
Defending against Online fraud
Attacks such as phishing rely on convincing users
to reveal private information. The best defense is keeping
your guard up. Ask why you’re giving out information.
Tips for safety:
Enter URLs yourself, don’t follow links.
Don’t trust links that use IP addresses.
Be suspect of forms requesting PIN or Credit Card numbers.
Verify and or Update personal information over the phone.
Change passwords often.
Wireless Networking Risks
Wireless networking is inherently an insecure
method of communication. Information is broadcast over a
radio, and can be overheard by anyone listening.
Instant messaging, E-Mail are sent unencrypted
Financial transactions must use SSL to be protected
Usernames and passwords can be stolen
Wireless networks are the easiest to attack
Home Networking Risks
Home network security has become increasingly
important, as home computers endanger our
internal security. VPN connections such as [email protected]
can allow WORMs and Viruses to enter protected
What you can do:
Keep all Critical Windows updates current
Install and use Anti-Virus software
Use a router to protect home computers
Questions & Comments
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