Share your story
The central voice for Linux and Open Source security news
Home News Topics Advisories HOWTOs Features Newsletters About Register

Sign up!
EnGarde Community
What is the most important Linux security technology?
Linux Events
Linux User Groups
Link to Us
Security Center
Book Reviews
Security Dictionary
Security Tips
White Papers
Featured Blogs
All About Linux
DanWalsh LiveJournal
Latest Newsletters
Linux Advisory Watch: February 27th, 2015
Linux Security Week: February 23rd, 2015
LinuxSecurity Newsletters
Choose Lists:
About our Newsletters
RSS Feeds
Get the LinuxSecurity news you want faster with RSS
Powered By

New Scam Tactic Hits Online Print E-mail
User Rating:      How can I rate this item?
Source: Dennis Fisher - Posted by John Kim   
Hacks/Cracks In the escalating clash between online scammers and security vendors, the attackers have once again developed new tactics that give them the upper hand in bypassing filters and infiltrating corporate networks, experts say. . . . The new techniques, which experts began seeing sporadically earlier this year and in large waves in recent weeks, involve the use of a process called steganography, or embedding or hiding text in an image.

In the most recent cases, spam and phishing messages have incorporated complex images containing text. In some cases, the image files include hidden code designed to exploit known vulnerabilities in e-mail clients and Web browsers.

The most prominent example of the steganography wave is a recent variation on the ubiquitous Citibank phishing scam that attempts to lure recipients into disclosing online banking user names and passwords. Previous versions used text and images, such as authentic-looking Citibank logos and privacy seals. But versions that began surfacing recently are made up of one large image file containing all the text.

"We continually modify our systems to enhance safeguards for our customers," said a spokesperson for Citibank, a unit of Citigroup Inc., in New York. "It is also important that consumers be aware of these issues and act appropriately."

Read this full article at Dennis Fisher

Only registered users can write comments.
Please login or register.

Powered by AkoComment!

< Prev   Next >


Latest Features
Peter Smith Releases Linux Network Security Online
Securing a Linux Web Server
Password guessing with Medusa 2.0
Password guessing as an attack vector
Squid and Digest Authentication
Squid and Basic Authentication
Demystifying the Chinese Hacking Industry: Earning 6 Million a Night
Free Online security course (LearnSIA) - A Call for Help
What You Need to Know About Linux Rootkits
Review: A Practical Guide to Fedora and Red Hat Enterprise Linux - Fifth Edition
Yesterday's Edition
New FREAK Attack Threatens Many SSL Clients
Snowden willing to face trial in US, if it's fair
Partner Sponsor

Community | HOWTOs | Blogs | Features | Book Reviews | Networking
 Security Projects |  Latest News |  Newsletters |  SELinux |  Privacy |  Home
 Hardening |   About Us |   Advertise |   Legal Notice |   RSS |   Guardian Digital
(c)Copyright 2015 Guardian Digital, Inc. All rights reserved.