What Actually Happens During a SOC Shift (That Courses Never Teach You)

The reality is quieter. And harder in a different way.

A real SOC shift is a lot of prioritisation, a lot of reading logs that say nothing interesting, occasional moments of genuine urgency, and constant pressure to document everything clearly so the next shift can pick up where you left off.

Nobody teaches you that part. Here's what it actually looks like.

The alert queue

You log in. The queue has 80 open alerts from overnight. Some are from 3 AM. Some are still firing.

Your first job isn't to investigate all of them. It's to triage, figure out which ones deserve immediate attention, which can be handled in order, and which are almost certainly noise.

Triage requires judgment. Not tool knowledge.

You're asking: is this alert high-fidelity or is this rule known to fire on benign activity? Is this a single event or part of a pattern? Is this affecting a critical asset or a low-risk endpoint?

Most alerts are false positives. Estimates across the industry put it between 40% and 80% depending on the environment. Your job is to close false positives accurately and quickly so the real threats don't get buried underneath them.

Alert fatigue is real. When everything is flagged as high priority, nothing is. Good SOC teams tune their detection rules constantly to keep the signal-to-noise ratio meaningful. As a junior analyst, you learn what "normal noise" looks like for your environment faster than almost anything else.

The investigation flow

An alert you can't dismiss immediately becomes an investigation.

You start with the alert itself, what specifically triggered it? What data points does it contain?

Then you expand outward. Who is the affected user? What is their role? What does normal behaviour look like for them? What device are they on? What's the device's recent activity?

You pivot to logs. Authentication logs. Process execution logs. Network connection logs. DNS queries. Each data source either confirms your hypothesis or introduces a new question.

You check endpoint telemetry if you have an EDR. What processes ran on this machine in the last hour? Is anything spawning unexpected child processes? Is there outbound communication to an unusual IP?

You validate IOCs. If you have an IP, a domain, or a file hash, run it through threat intelligence. Is it known malicious? Unknown? Associated with a specific threat actor?

At every step you're asking does this evidence support the hypothesis that something bad happened, or am I building a case for a false positive? You're not trying to prove it's an attack. You're trying to find out what actually happened.

Communication is half the job

This one surprises almost every new analyst.

Every investigation you work on needs to be legible to someone who wasn't there.

Your ticket notes need to tell a story. Not just "checked logs, nothing found", but what you checked, what you were looking for, what you found, and why you reached the conclusion you did. If your verdict is wrong, a senior analyst needs to be able to read your notes and understand your reasoning to correct it.

Escalation is a communication skill. When you escalate an alert, you're not just passing it up, you're presenting a case. What triggered the alert, what investigation steps you took, what you found, and why you believe it needs senior review. A vague "this looks suspicious" is not an escalation. Evidence with reasoning is.

Written communication in cybersecurity is massively underrated and massively undertrained. The analysts who progress quickly are almost always the ones who can write clearly under pressure.

What actually makes a good SOC analyst

Not the tools they know. Not the certifications on their wall.

Curiosity. The willingness to ask one more question when the obvious answer doesn't fully explain what you're seeing.

Structured thinking. The ability to work through a problem methodically even when you're tired, the queue is long, and three other alerts are waiting.

Patience. Most shifts are not dramatic. Most alerts are nothing. The ability to stay sharp and thorough when the work is routine is genuinely rare.

Clear communication. Writing tickets, escalating cleanly, handing off to the next shift in a way they can actually use.

These are all learnable. None of them come from a certification. They come from practising the actual workflow, triage, investigate, conclude, document, communicate, until it becomes natural.

If you want to understand this workflow deeply before your first SOC role, my Think Like An Analyst program is built around exactly this, not tool tutorials, but how real SOC thinking actually works.

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— Manubhav Sharma