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Logs to Look at for Suspicious Activity DetectionWhen investigating potential security incidents, analyzing specific types of logs is crucial for identifying malicious activities. Logs can provide valuable insights into an attacker’s behavior, help detect anomalies, and reveal the full scope of a breach. Below are important logs to monitor and analyze:1. DNS Queries to Suspicious Domains:DNS que..

Things to Know About AttackersUnderstanding attacker tactics, techniques, and procedures (TTPs) is crucial for defending against cyber threats. Attackers often use various methods to evade detection, confuse security systems, and hide their true identity. Here are some key things to know about attackers:1. Slow Attacks Are Harder to Detect:Slow and Low: Attackers often use slow attacks (sometime..

HoneypotsA honeypot is a decoy system or service designed to mimic a real system within a network to attract and detect attackers. The primary purpose of a honeypot is to monitor and record the activities of potential intruders, allowing security teams to understand attack methods, gather intelligence, and improve defenses without exposing critical systems. Honeypots do not contain real data or ..

Firewall RulesFirewall rules are critical components in network security, used to control incoming and outgoing traffic based on predefined security policies. These rules can be configured to detect and block suspicious activities like brute force attacks, port scanning, large data transfers, or other indicators of compromise (IOCs). Here’s how firewall rules can help with specific security conc..

Anomaly or Behavior-based DetectionAnomaly or behavior-based detection focuses on identifying abnormal activities by comparing current actions against an established model of “normal” behavior. This method allows security systems to detect suspicious activity, even if it doesn’t match known attack signatures. By understanding the typical behavior of users, devices, or networks, anomaly-based det..

SignaturesSignatures in cybersecurity refer to predefined patterns or characteristics that are used to identify malicious activity or threats in a system. Signatures can be applied to both host-based and network-based environments to detect indicators of compromise (IOCs) or known malicious behavior.1. Host-Based Signatures:These signatures focus on detecting suspicious activity or changes withi..

Security SignalsThree categories, focused on how different tools and systems generate, triage, and alert based on security signals:1. Things That Create SignalsThese are systems and tools designed to generate raw data or signals that could indicate potential security incidents. They monitor network traffic, system activity, or user behavior to detect anomalies, threats, or suspicious activity.Ho..

IOC (Indicator of Compromise)IOC (Indicator of Compromise) refers to pieces of forensic data that indicate a security breach or malicious activity has occurred within a network or system. IOCs are critical in cybersecurity as they help identify the presence of an attacker or a threat in an organization’s infrastructure, allowing for timely detection, mitigation, and response to security incident..

Security Information and Event Management (SIEM)SIEM is a comprehensive solution that provides real-time analysis of security alerts generated by applications and network hardware. It integrates two core functions: Security Information Management (SIM) and Security Event Management (SEM). SIEM systems are vital in detecting, analyzing, and responding to security threats by collecting and analyzi..

Intrusion Detection System (IDS)An IDS is designed to monitor a network or system for abnormal activities and potential intrusions or attacks. There are two main methods of intrusion detection: Signature-Based Detection and Behavior-Based Detection.Signature-Based IDS:Signature-based detection identifies known attack patterns. A signature refers to a rule or pattern that defines the unique chara..