PHISHING PHARMING SPAM WHAT IS PHISHING Phishing pronounced
- Slides: 11
PHISHING PHARMING & SPAM
WHAT IS PHISHING? Phishing (pronounced “fishing”) is the process of sending e-mail messages to lure Internet users into revealing personal information such as credit card or social security numbers or other sensitive information that could lead to identity theft. v
WHAT IS THE DANGER OF PHISHING? v Identity Theft
HOW ARE YOU PROTECTED FROM PHISHING? Outlook 2003 SP 2/2007 contains some protection from phishing e-mails. v. By not replying directly to emails asking for personal information. v By never clicking on a link in an e-mail in order to enter your log-in information or password. v By not copying and pasting a URL address from a suspicious e-mail. v
WHAT IS PHARMING? Pharming (pronounced “farming”) is the term for when criminal hackers redirect Internet traffic from one Web site to a different, identical -looking site in order to trick you into entering your user name and password into the database on their fake site. o Pharming might sound similar to e -mail phishing scams, but pharming is insidious, because you can be redirected to a false site without any participation or knowledge on your part. o
WHAT ARE THE DANGERS OF PHARMING? o The possibility of the DNS (Domain Name System) setting on the user’s wired or wireless broadband router being changed. o Hackers having complete control of the broadband connections.
HOW ARE YOU PROTECTED FROM PHARMING? By running separate name servers for redundancy on different network segments. o By restricting dynamic DNS updates when possible. o By restricting zone transfers only to authorized devices. o By using firewall services both at the network perimeter & on the DNS servers. o
WHAT IS SPAM? ØAnonymous, unsolicited bulk mail. Real spam is sent with spoofed or harvested sender addresses to conceal the sender. Real spam is sent in mass quantities. Ø Spammers make money from the small percentage of recipients that actually respond, so for spam to be cost-effective the initial mail have to be high volume.
WHAT IS THE DANGER OF SPAM? Spam can be used to download viruses, worms and Trojans onto your computer. Ø
HOW ARE YOU PROTECTED FROM SPAM? Free Anti-Spam Software By not replying to the address in the “from” field. Ø By not loading HTML e-mail with images. Ø By not using the “remove” link (unsubscribe link) on any links in the spam e-mails. Ø By using your e-mail client or web service filters (or message rules) to discard a good portion of spam. Ø Ø
PHISHING PHARMING & SPAM
