A security operations center (SOC) is like the vigilant guardian of a digital realm. Their job is to keep a watchful eye 24/7, standing guard against cyber threats. They monitor, prevent, detect, investigate, and respond to any suspicious activities that could harm an organization’s valuable assets—things like intellectual property, sensitive personnel data, crucial business systems, and the organization’s reputation. The SOC team is the backbone of the organization’s cybersecurity strategy, working as a hub where experts come together to constantly monitor, evaluate, and defend against cyberattacks. It’s all about ensuring that the organization stays safe and secure in the vast digital landscape
What Does a SOC Do?
Although the staff size of SOC teams vary depending on the size of the organization and the industry, most have roughly the same roles and responsibilities. A SOC is a centralized function within an organization that employs people, processes, and technology to continuously monitor and improve an organization’s security posture while preventing, detecting, analyzing, and responding to cybersecurity incidents.
Prevention and detection: When it comes to cybersecurity, prevention is always going to be more effective than reaction. Rather than responding to threats as they happen, a SOC works to monitor the network around-the-clock. By doing so, the SOC team can detect malicious activities and prevent them before they can cause any damage.
When the SOC analyst see something suspicious, they gather as much information as they can for a deeper investigation.
Investigation: During the investigation stage, the SOC analyst analyzes the suspicious activity to determine the nature of a threat and the extent to which it has penetrated the infrastructure. The security analyst views the organization’s network and operations from the perspective of an attacker, looking for key indicators and areas of exposure before they are exploited.
The analyst identifies and performs a triage on the various types of security incidents by understanding how attacks unfold, and how to effectively respond before they get out of hand. The SOC analyst combines information about the organization’s network with the latest global threat intelligence that include specifics on attacker tools, techniques, and trends to perform an effective triage.
Response: After the investigation, the SOC team then coordinates a response to remediate the issue. As soon as an incident is confirmed, the SOC acts as first responder, performing actions that such as isolating endpoints, terminating harmful processes, preventing them from executing, deleting files, and more.
In the aftermath of an incident, the SOC works to restore systems and recover any lost or compromised data. This may include wiping and restarting endpoints, reconfiguring systems or, in the case of ransomware attacks, deploying viable backups in order to circumvent the ransomware. When successful, this step will return the network to the state it was in prior to the incident.
Deverra MDR SOC Approach follows an Adaptive Layered Approach as opposed to a signature-based Defense-in-Depth Approach. An adaptive posture uses multiple layers of defenses that complement but don’t duplicate each other. In other words, each layer should both slow an attacker’s momentum, equip the Analyst to more quickly contain and resolve attacks, or ideally, both. Conventional defense-in-depth deployments use similar signature-based detection at every layer. An attacker that can get past one layer of signature-based defense— because no signature yet exists for the tools used in that attack—has a good chance of getting past all of them.
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