Analyzing Spearphishing Attacks through Security Logs

When a spearphishing attack strikes, security analysts must act fast to trace the threat and limit the damage. Understanding how to navigate security logs is the key to uncovering how an attacker gained access and what systems were compromised. This course guides you through the foundational concepts of email security and log analysis, transforming you into an analyst capable of reconstructing phishing incidents. You will learn to recognize indicators of compromise, read log data, and apply modern incident response methodologies. What you'll learn: Understand the foundational mechanics of spearphishing attacks and modern email authentication protocols like SPF, DKIM, and DMARC; Analyze security log events to trace malicious email delivery, credential harvesting, and suspicious link clicks; Identify indicators of compromise within headers, system logs, and network traffic; Practice reconstructing the timeline of a phishing incident using structured investigation workflows; Apply modern incident response frameworks to isolate affected systems and mitigate further risk. You will start by mastering essential email security terminology and protocol basics. From there, you will walk through realistic log scenarios, learning how to query, filter, and interpret data to piece together the attacker's steps. Designed for aspiring cybersecurity analysts and beginners, this course requires no prior experience in security operations. Start reading today to build your practical incident response skills.