How Attackers Target And Exploit Social Networking Users

A look at the security issues surrounding the use of social networks in the workplace -- and what you can do about them

[The following is excerpted from How Attackers Target and Exploit Social Networking Users, a new report posted this week on Dark Readings
Advanced Threats Tech Center
.]
Five years ago, social networking sites werent a big problem for businesses. Employees mostly used these sites for personal purposes, which made it easy for IT to create policies and security controls that prevented end users from participating in social networks on corporate systems and networks altogether.
However, all that has changed since organizations have begun exploiting social networks for business purposes, including sales, marketing and customer service. Indeed, what was once seen as a waste of time is now the primary marketing medium for many companies.
Organizations that once put in place controls to block social media are relaxing those settings for certain users and groups within the company. Unfortunately, with the genie out of the bottle, business management and IT have been challenged to figure out how to put controls around the use of social networking that balance security and flexibility.
Part of the problem is that many companies dont understand the real core issue: Its not that attackers are abusing information posted to social networking sites or that they are waging attacks using the sites themselves; its that employees do not understand the risks associated with the information they post online, and they dont realize the extent of the damage that could occur from a successful attack.
There are a couple of key issues to consider. The first is the very nature of social networks. They were designed as a platform on which users could collaborate and share, mostly (at least in the early days) for personal reasons. The problem is that employees dont necessarily realize that the information they post publicly in these environments can be used in social engineering attacks and for resetting passwords on websites. Their public profiles make it very easy for an attacker to identify employees and often include more than enough details to craft an effective spear phishing attack.
Another contributing factor is age. The amount of information shared and the understanding of social networks are greatly affected by the age of an employee. Its not uncommon for older employees to dismiss social media as a fad and not give it a second thought. On the other hand, employees entering the workforce in the last 10 years or so have grown up with sites like Facebook. They dont think twice about checking in when they arrive at a restaurant or posting pictures of their friends and co-workers on Instagram.
Its perhaps not a surprise, then, that users and IT dont see eye to eye when it comes to the dangers of social network use and security. Employees have a hard time grasping how an attacker can leverage the most mundane-seeming information to attack them or their employers. What they must realize is that nearly everything can be used against them -- from who works on the help desk and who works in sales, to where the company picnic was held, to pictures of employees with their identification badges showing, and much, much more.
The Digital Defense report Social Media Dangers: What Every Social Butterfly Should Know includes several scenarios to illustrate the types of information attackers find valuable. One example describes how a frustrated employee tweeted on her own Twitter profile that her companys security guard was late for work on a regular basis: I hate waiting for the security guard who is always late! #atmyoffice. An attacker could use that kind of information to learn employee schedules and the times when it may be easier to break in because the security guard isnt on duty.
In addition to information posted about and b employees, files posted online can expose lots of juicy information about company offices, locations and technology in use. That leaked information is often in the form of metadata, which is information about the data in the file and is embedded in the file itself. Metadata can include, but is certainly not limited to, geolocation information, owner/author/user name, computer names, network shares, IP addresses and application versions.
To read more about the specific ways that attackers take advantage of information on social networking sites -- and what your enterprise can do to protect itself --
download the free report
.
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