The recent headlines attest that no organization is immune to targeted attacks launched by skilled, persistent adversaries. These highly sophisticated attackers gain unprecedented success against large and even well-equipped organizations across the world. The detection of these attacks is a daunting task. However, if you are well aware of the Indicator of Attacks (IoA) and Indicators of Compromise (IoC), then you can resolve issues with better outcomes. In fact, the IoA and IoC are the two methods of detection in the security marketplace.
6. Responding to Threat or Vulnerability
In the previous steps, analysts have gathered enough data to answer their hypothesis. Two types of situations can occur. Either the real threat is found or the vulnerability is detected. In both cases, analysts action is necessary. The analysts must respond immediately when a real threat is identified. However, if there is any vulnerability, they should also resolve this before it becomes a really big nightmare.
Is your CSIRT team facing too many security alerts? Is your SOC has various security products that are jumbled together? Are you worried about setting the sensitivity of each product? How a severity level should be assigned to each imminent incident? These questions are hard to answer by today’s security professionals. However, security orchestration plays a crucial role in helping experts to address these questions.
Threat hunting is the practice of iteratively and proactively hunting for threats or Advanced Persistent Threats (APT) that are launched by adversaries. Unlike traditional security systems such as antivirus program, firewalls, or SIEM, who use a reactive approach to threats, threat hunting utilizes a proactive approach to pursuing threats even before they compromise organization’s network or IT infrastructure.