CompTIA 220-1202 Security Guide

CompTIA 220-1202 security guide covering permissions, hardening, malware, wireless, and browser protection decisions.

Core 2 security questions reward the answer that keeps protection on, fixes the right access boundary, and follows the malware or hardening workflow in the right order.

What this lane is really testing

The prompt is usually checking whether you can… Without making this common miss
preserve least privilege granting broad admin rights because it feels faster
keep identity and access layers distinct blending local rights, domain identity, share permissions, and NTFS
follow workstation malware-remediation order improvising cleanup steps or skipping post-cleanup actions
choose the safest protection mechanism disabling controls before checking policy, exceptions, or recovery paths

Highest-yield subtopics

Topic What strong answers usually do
account models distinguish local, Microsoft, and domain identity cleanly
access control separate share, NTFS, inheritance, ownership, and UAC elevation
endpoint protection keep Defender, firewall profiles, and update discipline active unless the scenario explicitly frames a controlled exception
disk and data protection understand BitLocker purpose, recovery-key retrieval, and why it is not the same as a password-reset issue
malware workflow use the CompTIA-preferred endpoint sequence instead of jumping directly to reimage

Start with 2.1 Permissions & Malware. It covers the access-control and remediation patterns that Core 2 hides inside many scenario questions.

Then continue with 2.2 Secure Practices for the router, browser, mobile, and disposal decisions that often show up as traps.

Then use 2.3 Auth & Social Engineering when the exam is really asking you to classify a control, attack type, or vulnerability state correctly.

Finally use 2.4 Windows Security Controls for the sign-in, encryption, Defender, firewall, and browser-setting questions that still punish sloppy boundaries.

Fast routing table

If the question says… Strongest first reading
user gets Access denied over the network share plus NTFS plus identity path
install or config task fails for one user least privilege, scoped elevation, or approved deployment path
device shows fake AV, redirects, or suspicious persistence malware workflow and persistence cleanup
BitLocker recovery prompt appears after hardware or firmware change recovery key and trusted-unlock path, not account-password recovery
someone suggests turning off UAC, Defender, or firewall usually a trap unless the prompt explicitly allows temporary controlled testing

Common security traps

Trap Better reading
“just make them local admin” fix the actual permission or elevation boundary
“disable protection to see if it works” verify policy, exception, identity, or app behavior first
mixing share and NTFS network file access uses both
treating BitLocker like sign-in security it protects disk access, not ordinary account authentication
stopping after malware cleanup verify, restore protection posture, create restore point, and educate the user

Minimum useful practice for this lane

  1. Test one shared-folder scenario with different share and NTFS combinations.
  2. Practice one malware-remediation sequence as steps, not just definitions.
  3. Retrieve and explain a BitLocker recovery-key scenario.
  4. Compare standard-user workflow with UAC-based elevation.

Where to go next

  • fastest permissions and malware review: Cheat Sheet
  • common security boundary explanations: FAQ
  • official exam details and source checks: Resources

In this section

Revised on Sunday, May 10, 2026