Edward Snowden’s name entered the cultural lexicon in 2013, after he leaked thousands of classified National Security Agency documents to journalists. He’s been variously called a traitor, a patriot, a revolutionary, a dissident and a whistleblower, but however you personally feel about him, there’s one way to categorise him that no one can dispute: He’s a thief.
There’s no doubt about it: Snowden’s information didn’t belong to him, and the scary truth is that he is neither the first nor the last employee to attempt to smuggle secrets out of a building – and we need to learn from his success to try to prevent it from happening again.
Since the dawn of the digital age, we’ve fought cyber pirates with tools like firewalls, encryption, strong passwords, antivirus software and white-hat hackers. But with so much attention on protecting against cyber risks, we sometimes forget about the other side of the coin: the risk that data will be physically removed from the building.
Douglas Miorandi, director of federal programs, counter-terrorism and physical data security for Metrasens, recently discussed the major risks to physical data security with SourceSecurity.com.
Q: What do you believe are the main physical threats to data?
The biggest threats I have seen in the physical data security space have varied over the years, but there are four specific risks that remain the same across the board for any organisation, which are:
Every organisation is at risk of having data walk out the building with that employee
- The Insider Threat
- The Outsider Threat
- The Seemingly Innocent Personal Item
- Poor or Nonexistent Screening
To beginning with, every company or government agency has at least one disgruntled employee working for them, whether they know it or not, and that means every organisation is at risk of having data walk out the building with that employee. That is what security experts call the insider threat.
Q: What do you think influences employees to steal data from their own organisation?
People steal data from their workplaces because they see some means to an end, whether it’s to expose something embarrassing or damaging due to a personal vendetta, or because they can sell it to a competitor or the media and benefit financially – meaning they don’t even need to be disgruntled; they might just want a quick way to make a buck. Financial data, too, is attractive, both for insider trading and selling to the competition.
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| People steal data from their workplaces because they see some means to an end, whether it’s to expose something embarrassing or damaging due to a personal vendetta, or because they can sell it to a competitor or the media and benefit financially |
This can happen to both private companies as well as government agencies. Take Natalie Mayflower Sours Edwards for example, a Treasury Department employee who was caught in the act just last month, when she disclosed sensitive government information about figures connected to the Russia investigation to a reporter. She didn’t hack the system, she simply used a flash drive. And let’s not forget that Snowden was a contractor working for the NSA.
Q: Many of us think of security threats coming from an outsider, do companies still face these type of threats?
Yes. Unfortunately, organisations do not only need to worry about their own employees – companies and government agencies need to be wary of threats from outsiders.
COTS devices include SD cards, external hard drives, audio recorders and even smart phones
They can come in the form of the corporate spy – someone specifically hired to pose as a legitimate employee or private contractor in order to extract information – or the opportunistic thief – a contractor hired to work on a server or in sensitive areas who sees an opening and seizes it. Either one is equally damaging to sensitive data because of the physical access they have.
Q: Whether it be an insider threat or an outsider threat, what are ways these individuals can steal sensitive data?
There are two types of personal items that can be used to steal data: the commercially available off-the-shelf (COTS) variety, and the intentionally disguised variety. This is considered risk number three – the seemingly innocent personal item.
COTS devices include SD cards, external hard drives, audio recorders and even smart phones, any of which can be used to transport audio, video and computer data in and out of a building.
Intentionally disguised devices are straight out of the spy novel; they could be a recording device that looks like a car key fob, or a coffee mug with a USB drive hidden in a false bottom.
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| Intentionally disguised devices are straight out of the spy novel; they could be a recording device that looks like a car key fob, or a coffee mug with a USB drive hidden in a false bottom |
Q: What is the difference between COTS and disguised devices?
The difference between COTS and disguised devices is that if someone gets caught with a COTS device, security will know what it is and can confiscate it. The disguised device looks like a security-approved item anyone could be carrying into the workplace, making it especially devious.
Sometimes these devices don’t just function to bring information out of a building; they are used to damage a server or hard drive once it’s plugged in to a computer or the network. Some are both – a recording device that extracts data and then destroys the hard drive.
Companies with airtight cyber security protocols can sometimes fall down when it comes to physically screening peopleQ: With these types of discrete items, can security personnel still catch individuals in the act? For example, through security screenings?
Poor or nonexistent screening is the most substantial security threat to any organisation when it comes to sensitive data. Whether it’s an employee, an outside contractor or a device, the physical security risks are real, and everyone and everything entering and leaving a building needs to be screened.
Unfortunately, screening often isn’t occurring at all, or is ineffective or inconsistent when it does occur. Even companies with airtight cyber security protocols can sometimes fall down when it comes to physically screening people and stopping them from stealing data through recording devices.
Q: It’s surprising that so many organisations would neglect physical security when protecting their data.
It’s a huge mistake, and the consequences can be dire. They range from loss of customer trust, exorbitant lawsuits and tanking stock prices in the private sector; and risks to national security in the public sector. Costs and resource allocation increase as well during efforts to reactively fix or mitigate the effects of physically stolen data.
For both the private and public sectors, the risk for data to be physically removed from a building has never been greater. Years ago, it was much harder for the average Joe to figure out where they could sell stolen data. Now, with the Deep Web, anyone with Tor can access forums requesting specific information from competing spy agencies, with instructions on how to deliver it, greatly reducing the risk of getting caught – and increasing the likelihood people will try it.
Although it’s getting easier to sell data, the good news is that all of these threats are avoidable with the right measures.
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| Physical data security and cybersecurity must be considered the yin and yang of an airtight policy that effectively protects sensitive or confidential assets from a malicious attack |
Q: So how can an organisation protect against these risks?
There are a number of ways – and the first one requires a change of mindset. Not long ago, the building/physical security department and the IT/cybersecurity department were considered two different entities within an organisation, with little overlap or communication.
Organisations now are realising that, because of the level of risk they face from both internal and external threats, they must take a holistic approach to data security. Physical data security and cybersecurity must be considered the yin and yang of an airtight policy that effectively protects sensitive or confidential assets from a malicious attack.
Q: How can companies and government agencies combine both physical data security and cybersecurity initiatives?
Physical security managers can advise cybersecurity managers on ways to reinforce their protocols – perhaps by implementing the newest surveillance cameras in sensitive areas, or removing ports on servers so that external drives cannot be used.
Organisations need to create an effective program and ensure it stays effective so people know it’s not worth the hassle to try
In turn, the cybersecurity team can let the physical security team know that they have outside contractors coming in to work on the server, and the physical security team can escort the contractors in and stand guard as they work.
Constant communication and a symbiotic relationship between the two departments are crucial to creating an effective holistic security protocol and, once you’ve got the momentum going, don’t let it slow down. Sometimes efforts start off strong and then peter out if priorities change. When guards are down, it’s an excellent time for a malicious actor to strike. Organisations need to create an effective program and ensure it stays effective so people know it’s not worth the hassle to try.
It’s not just about the mentality, though. Using the right technology is just as important.
Q: What type of technology can you use to protect physical data?
Many problems can be avoided by simply using the right technology to detect devices that bring threats in and carry proprietary information out.
Electronics such as hard drives, cell phones, smart watches, SD cards and recording devices have a magnetic signature because of the ferrous metals inside them. Using a ferromagnetic detection system (FMDS) as people enter and exit a building or restricted area means that anything down to a small microSD card triggers an alert, allowing confiscation or further action as needed.
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| Electronics such as hard drives, cell phones, smart watches, SD cards and recording devices have a magnetic signature because of the ferrous metals inside them |
Q: How does FMDS work?
In the most basic terms, FMDS uses passive sensors that evaluate disturbances in the earth’s magnetic field made by something magnetic moving through its detection zone. Nothing can be used to shield the threat, because FMDS doesn’t detect metallic mass; it detects the magnetic signature, down to a millionth of the earth’s magnetic field. FMDS is the most reliable method of finding small electronics items and should be part of the “trust, but verify” model
Although it is a passive technology, it is more effective and reliable than using hand wands or the walk-through metal detectors typically seen in an airport, which cannot detect very small ferrous metal objects. FMDS can see through body tissue and liquids, so items cannot be concealed anywhere on a person or with their belongings.
Whether or not the items are turned on doesn’t matter; FMDS doesn’t work by detecting a signal, but rather by spotting the magnetic signature that electronics contain. This is ideal, because most recording devices do not emit any signal whatsoever.
In my experience, FMDS is the most reliable method of finding small electronics items (as well as other ferrous metal objects, like weapons), and should be part of the “trust, but verify” model, in which companies assume the best of their employees and anyone else entering the building, but still take necessary precautions.
Q: What are the key takeaways for organisations looking to enhance data security?
The toughest challenge in the security sector – whether it’s cyber or physical – is remembering that the bad guys are constantly looking for ways to slip in through the cracks, and security departments need to stay one step ahead to ward off both internal and external threats. Recognising the existing threats, putting together a holistic security strategy, and using the right technology to detect illicit devices comprises an effective three-pronged approach to protecting an organisation’s data.
Organisations cannot afford to be passive about security and assume employees won’t steal data and spies won’t sneak in. Strong countermeasures are necessary because data loss can come from both inside and outside, in both private and public sectors, from places not everyone thinks of – and with technology like FMDS acting as a backup to the human element, organisations can lock down their data and keep the wolves in sheep’s clothing from getting through the door.
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