AI and Machine Learning: Breaking Down Buzzwords

Security experts explain two of todays trendiest technologies to explain what they mean and where you need them.

Artificial Intelligence and machine learning are marketed as security game-changers. You see them all the time on systems and services, promising to catch threats and strengthen defense.
One of the problems in our industry is people tend to throw around buzzwords in the hopes of differentiating their marketing, says Jon Oltsik, senior principal analyst at ESG. But all it does it confuse the market.
The two technologies have legitimate purpose and potential but are used so often and so interchangeably, it can be hard to make sense of them. Whats the difference between them? Where should they be used? And how should you shop for them to get real value?
AI vs. ML: What They Really Mean
Machine learning is a segment of artificial intelligence, explains Roselle Safran, president at Rosint Labs. Artificial intelligence, a more general concept that has been around for decades, describes machines that think like people. One of its many applications is machine learning, in which a machine looks at tons of data and from that data, can learn what something is.
There are products that have some pretty impressive capabilities but theyre not necessarily capabilities where the product is learning, she explains. Its often useful from a marketing perspective to slap the label on because then it checks the buzzwords off.
Machine learning has two components, Safran continues. One is a massive volume of training data; the other is a feedback loop that informs decisions. Based on the product, a machine learning system will look at volumes of data to determine whether its decisions are correct.
Large organizations are starting to experiment with artificial intelligence and machine learning, says Oltsik. They dont have a deep understanding of the concepts and models, but nor do they want to, he says. What they care about is how effective it is, and does it improve their existing technology and processes.
However, he continues, security leaders should know enough to determine where these technologies can be applied and how to choose one system over another.
Where They Fit in Your Security Strategy
There are a couple of unique problem sets in security that are right for machine learning, and right for different kinds of solutions, explains Ryan LaSalle, global managing director for Growth & Strategy at Accenture Security. He describes security as a graph problem because its a way of storing lots of data and everything is relationship-driven.
People have a hard time visualizing in a graph, he continues, but machines excel because they thrive on large volumes of data. The key is to pick up scenarios where the machine has an advantage over people; for example, observing human behaviors and detecting anomalies.
User behavior analysis is a big one that went from traditional analytics to more machine learning-driven, he says.
Machines can view employee behaviors across multiple points in the environment and automate access privileges, something most enterprises are terrible at, he adds. Business managers often rubber-stamp the process of employee access and wont consider the same level of detail when considering who should be able to access what.
In the near term, most security teams will use machine learning for detection and response, though there are protective applications as well, says Safran. In the future there will be applications on the strategic and architectural levels, but were not there yet.
For now I see most of the activity is going to be operationally focused and tactical in nature: detecting malware, phishing attacks, detecting unusual behavior that could be indicative of insider threats, she explains. When a system detects a threat that needs to be investigated, a machine can help by providing next steps for the response process.
Machines Wont Replace (Most of) Your Colleagues
There are several misconceptions about artificial intelligence and machine learning, says Oltsik. One of them is the idea that machines will eventually be a substitute for humans.
Across the board, at this point were very, very far from a situation where machines are going to do all the work and the security team can go home, Safran says. All of the machine learning apps for the next few years will focus on enhancing the work of the security team and making their operations more efficient and effective.
However, machines can do the same work as tier one analysts, freeing up limited security talent to focus on more advanced work, she points out. Most tier-one tasks involve information gathering and technical duties. These are decisions that can be calculated. Security teams can leverage machine learning to automate busywork and train up their employees.
How to Shop Securely
You need to look at the threat scenarios your business cares about, says LaSalle. Test the outcomes of the system and compare where you are today, with what youre trying to achieve.
Oltsik also points to performance as something to keep in mind. If an artificial intelligence tool collects data on-site and puts it in the cloud for processing, it will cause latency. What kind of impact will that have on your organization?
Data reporting is another factor to consider, he continues. All this data interpretation and analysis is only as useful as it comes back and provides information to a human. In the history of technology there have been good reports and bad reports, good visualization and bad.
Safran recommends asking the vendor about the training data they use. If there is no training data, changes are the tool doesnt actually have machine learning capabilities. If there is training data, you need to know if its specific to the business or their whole customer base.
You also need to understand how the model works, as well as the feedback loop informing it.
Its a challenging question for many organizations, but having insight into how it works under the hood gives a better perspective on what its capable of doing and how it could be a benefit, she explains.
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AI and Machine Learning: Breaking Down Buzzwords