They hire cybersecurity professionals specifically so that they don’t have to spend all day worrying about the minutiae of cyber defense. However, developing a solid grasp of the nuts and bolts of cybersecurity can have tremendous advantages for executives. This understanding enables these decision-makers to make more informed decisions and be better stewards of their organization’s interests.

The problem is that, for the IT professional unfamiliar with the world of cybersecurity, key IT terminology can seem like an impenetrable alphabet soup of buzzwords and acronyms. However, these terms can be broken down into an easily digestible glossary of various key solutions underlying cybersecurity today.

Network Detection and Response (NDR)

Traditional network detection methods often rely on signature-based rules. However, they’re defenseless against more sophisticated threats that exploit previously unknown vulnerabilities. These attacks can quickly compromise systems before defenses can be updated. Network Detection and Response (NDR) offers a more proactive approach by continuously monitoring network behavior and identifying anomalies that may indicate a potential attack.

Instead of relying on signatures of known attacks, NDR leverages machine learning and behavioral analytics to establish a baseline of regular network activity. By continuously monitoring network traffic and identifying deviations from this baseline, NDR can detect unknown or insider threats that get past the perimeter protection. This proactive approach enables security teams to respond more quickly to incidents and mitigate potential damage before attackers can exploit vulnerabilities.

Managed Detection and Response (MDR)

While highly effective, NDR is not plug-and-play. You still need trained cybersecurity personnel to operate the relevant solutions, sift through alerts and act as needed. This is where Managed Detection and Response (MDR) comes in. The term refers simply to any third-party IT security service that manages NDR for an organization’s network. Given the ongoing struggle to find skilled in-house cybersecurity personnel, solutions like these serve an increasingly indispensable function.

eXtended Detection and Response (XDR)

A given network has countless potential breach-points: endpoints (defined as any device that connects with your network), networks, servers, cloud deployments, physical security systems and more. Any one of these can serve as a launchpad for an attack. This is why a unified view of your estate—like that offered by an eXtended Detection and Response (XDR) solution—is so crucial.

Compare XDR to CCTV surveillance systems that provide physical organizations with at-a-glance views of every entry point to a building. XDR consolidates data from every source, so you can see whether a would-be attacker is, for instance, laddering between them. Accordingly, XDR removes the kinds of silos that serve as an obstacle to the quick detection of and response to attacks.

Endpoint Detection and Response (EDR)

In the work-from-home era, endpoints—i.e., any device that connects to your network—have increased exponentially. A single employee may routinely access your network from four or more different devices during a given workday. At any significantly sized organization, that tallies up to thousands of potential points of attack.

Enter Endpoint Detection and Response (EDR), which is designed to help safeguard these endpoints. Typically, it takes the form of an agent installed on a given device; this agent interacts with a central server, which receives and analyzes data on user activity. Using pattern- and signature-matching, as well as statistical baselining and machine learning, an EDR solution can flag suspicious incidents. It can even shut down an endpoint device’s communication, quarantining it while understanding the threat’s nature.

Security Information and Event Management (SIEM)

Security Information and Event Management (SIEM) is, effectively, another method of gaining an in-depth view of your system. It takes in the full sweep of your IT environment and analyzes the resulting data to spot patterns or anomalies that might suggest a potential breach. Along with NDR and EDR, SIEM forms part of what Gartner has called the Security Operations Center (SOC) Visibility Triad. Despite overlaps in their respective functionalities, each part of the triad offers unique security capabilities and collectively accounts for any blind spots between them.

Security Orchestration, Automation and Response (SOAR)

Of course, all the tools I’ve been discussing must be optimally integrated to function properly. You need a top-level security plan and—once that plan is in place—you need to handle the deluge of microtasks that constitute the bulk of cybersecurity work.

This is where Security Orchestration, Automation and Response (SOAR) comes in. SOAR integrates your various security systems and defines how tasks should be executed. It also develops an incident response plan tailored specifically to your organization’s needs. Accordingly, time-consuming, repetitive tasks are minimized, allowing organizations to spend less and work more without jeopardizing their network’s integrity.

One cornerstone of cybersecurity is that it’s dynamic, not static. Meaning these terms are, collectively, the ones defining cybersecurity as it’s practiced in 2024. It’s an ever-changing list and it will look quite different five to ten years from now. But for executives concerned with keeping their organizations safe, a working knowledge of these concepts goes an extraordinarily long way. Even if the actual daily practice of cybersecurity is delegated to the professionals, understanding their go-to tools can inform strategy in meaningful ways—and keep your organization even safer from cyberattacks.