Phishing
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Presentation Transcript
Phishing ISYM 540 Current Topics in Information System Management
Hackers want to… • Use you to spread their worms and viruses. • Install spyware programs on your computer so they can monitor everything you do on the Internet. • Alter your browser, forcing it to visit websites you don't want to visit. • Get your personal information • Goal 1 is usually about “FUN” • Goals 2, 3 and 4 are usually about MONEY!
Phishing • Means to a fraud • Spam/ forged emails • Fake sites • Trojans/ malware • Web 2.0 (JavaScript, Ajax, xss, etc) • Personal data are the object of interest: credit card numbers, bank accounts details , PINs, etc.
Phishing technique • Unsolicited message („spam“) as the initiator Bogus website random URL; or confusingly similar domain name • Variety of other techniques - Cross-site scripting, Man-in-the-middle attack, HTML form in the spam email.
WHY PHISHING ATTACK! Lack of Knowledge • computer system • security and security indicators • web fraud Visual Deception • Visually deceptive text • Images masking underlying text
Phishing – confusingly similardomain name fake websites • usually not hosted in the US. • usually not up for more than a few days.
Phishing – HTML form in email eBay phishing email A fake link
Phishing and domain name registries • November 2007: Over 23.000 phishing websites detected just in this month • Removing domain names is not the ultimate solution • website still accessible through the IP address
TO protect your personal and financial information • Be suspicious of email messages that contain urgent requests for personal financial information, even if they appear to be from a trusted source (PayPal, eBay, your bank, etc.). • Do not click links in email messages that you suspect are not legitimate. Instead, open a new browser window and type in the URL directly. • Do not disclose personal or financial data in email. • Verify the security of the websites you visit by making sure that the web address begins with https: rather than http: before submitting credit card or other sensitive information online. • Review your bank, credit, and debit card statements regularly to ensure that all transactions are legitimate. • Keep your browser up to date and make sure to apply all released security patches.