DarkReading has a report from Seattle-based network security vendor WatchGuard which says that the fastest growing threat to corporate networks is web-based social media applications. The WatchGuard security researchers claim that social media applications can seriously compromise network security, expose sensitive data, and create productivity drains on employees.

There are many reasons why social media applications can pose risk to any size business. WatchGuard noted that productivity and data loss are major risks for organizations of all size. Social media sites also serve as malware and attack vectors. Social networks will become the leading malware vector over the next few years for three reasons:

1. Social media sites breed a culture of trust. The whole point of social media is to interact with others. Typically interactions are with people considered to be “friends”, which implies trust. Meanwhile, social media sites do not have any technical means to confirm that the people you are interacting with really are who they say they are. This environment of trust creates an ideal scenario for social engineers to use.

2. Many social media sites suffer from technical vulnerabilities. While Web 2.0 technologies offer many benefits, they also harbor many security vulnerabilities. The complexity of Web 2.0 applications can lead to imperfect code, which introduces some social network sites to Web application vulnerabilities, such as SQL injection and cross-site scripting (XSS) attacks. Furthermore, the concept of allowing untrusted users to push content on to social media sites conflicts with traditional security paradigms. Simply put, this means social media sites are more likely to suffer from web vulnerabilities than less complex and less interactive web sites.

3. Hugely popular. According to online analytics firm, Compete, Facebook is now the 2nd most popular Web destination after Google. Many other social networks, such as Twitter and YouTube, follow closely behind. The popularity of social networks attracts attackers because they know it means that they can get “return on investment” for their attacks.

For these reasons, WatchGuard researchers deemed the following applications the most risky:

1. Facebook is the most dangerous social media site, largely based upon its popularity according to WatchGuard. With a 500+ million user following, Facebook offers a fertile attack surface for hackers. Add in the potential technical concerns, such as a questionable, open App API and now you have a recipe for disaster.

2. Twitter, many incorrectly assume that very little damage could be done in 140 characters. Twitter’s short form posts lead to new vulnerabilities such as URL shorteners. While URL shorteners can help hackers hide malicious links. Twitter also suffers from Web 2.0 and API related vulnerabilities that allow various attacks and Twitter worms to propagate among its users.

3. YouTube attracts attackers because it is one of the most popular online video sites. Hackers often create malicious web pages that masquerade as YouTube video pages. Additionally, attackers like to spam the comment section of YouTube videos with malicious links.

4. LinkedIn bears more burden than other social media sites; it is business oriented. Thus, it makes a more attractive target to attackers, as LinkedIn is highly trusted. Because most users leverage LinkedIn to form business relationships or find jobs, they tend to post more valuable and potentially sensitive information to this social network.

5. 4chan is a popular image board, a social media site where users post images and comments. 4chan has been involved in many Internet attacks attributed to “anonymous,” which is the only username that all 4chan users can get. Some of 4chans image boards contain the worst depravities found on the Internet. Many hackers spam their malware to the 4chan forums.

6. Chatroulette allows webcam owners to connect and chat with random people. The nature of this anonymous webcam system makes it a likely target for Internet predators.

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I have written about social media risks since 2009, yet many organizations still do not have a social media policy.  Why take the chances?

Does your organization have a social media policy?

What Blocked? Facebook? Twitter? YouTube? LinkedIn?

Does anybody actually allow 4Chan or Chatroulette?