TryHackMe Physical Security Intro Room Write-up

SMN666

4 min readDec 11, 2020

# TryHackMe-Physical-Security-Intro-Room-Write-up
Created by SMN666

Link for this room : https://tryhackme.com/room/physicalsecurityintro

Task 1:
Learn the basic of Physical Security

YouTube Link:

https://www.youtube.com/watch?v=sw94smSiJBY&feature=emb_logo

https://www.youtube.com/watch?v=rnmcRTnTNC8&feature=emb_logo

Task 2:
Learn the different methods of entry
Using an angle grinder to cut a lock open is what type of entry? Overt
Lock picking could be considered what type of entry? Covert
Lock bypassing can be considered what type of entry? Covert
Taking a photo of a key, decoding it and duplicating it can be considered what type of entry? Surreptitious
Determining the combination of a safe through surveillance can be considered what type of entry? Surreptitious
Breaking a window to gain entry can be considered what type of entry? Overt

Task 3:
Lock Picking
What is the name of the tool which is used to apply torque to the core of a lock when picking?
Tension Wrench

What is the term used for picking a single pin at a time?
Single Pin Picking

What is the abbreviation commonly used to reference the above answer? SPP
What is the term used when you try to randomly set pins?
Raking

This type of lock is typically cheap, low quality, and found on low security applications such as office desk cabinets.
Wafer Lock

This type of pick profile is usually used when single pin picking. : Hook

When single pin picking, this term refers to when you feel like you have set a pin and the core rotates slightly
False Set

This type of security driver pin gives several clicks as it is being picked. Serrated

Task 4:
Lock Anatomy

What is the interface between the two pins in a pin stack referred to as? Shear Line

What are the pins on the bottom half of a pin stack referred to as? (you don’t have to enter the word pin in the answer)
Key

What are the pins on the top half of a pin stack referred to as? (you don’t have to enter the word pin in the answer)
Driver

What non-shimmable elements do padlocks use to keep the shackle in place?
Ball Bearings

What is the piece that allows locking lugs to retract when the core is turned? : Actuator
What piece of a standard door latch should remain completely depressed when the door is closed to prevent loiding/slipping of the latch?
Dead latch

What is the locking mechanism that has a bolt which protrudes into the frame of the door preventing it from opening?
Deadbolt

Task 5:
Padlock Bypassing
A lock which is unshielded is susceptible to what bypass tool?
Knife

A lock which has spring loaded locking lugs rather than ball bearings can be bypassed with what tool?
Shim

Combination locks such as the Master-lock 5400D are susceptible to a bypass which reveals the combination What is this method known as?
Decoding

The Master-lock 175 is infamous for its ability to be bypassed using what type of bypass?
Mini Knife

What bypass method uses a key cut to the lowest depths and kinetic energy to bounce the driver pins above the shear line and allow a lock to be opened?
Bumping

Locks which have spring loaded locking lugs can be opened by tapping a hammer on the side of the lock. What is this attack method called?
Rapping
What type of pick takes advantage of lazy manufacturing practices by lifting all the key pins and driver pins above the shear line to bypass a lock?
Comb

What tools can be wiggled inside the keyway of wafer locks to roughly simulate the biting of the key and open the lock?
Jiggler

Task 6: Hardware Bypassing

What tool is used to reach under a door and actuate a handle from the interior?
Under The Door Tool

What tool can be used to bypass a set of double doors which have a crash bar on the secure side?
Double Door Tool

What item can be used to widen the gaps between doors and door frames or between double doors to allow for other bypass tools to be used? This tool is also common for automobile entry.

An improperly hung door which opens away from you can be bypassed using this type of tool?
Shim

An improperly hung door which opens away from you can be bypassed using this type of tool?

What type of material can be used to go over the door to grab the secure side handles when an under the door tool is not able to be used?

Canned air can be used to bypass what type of door controller hardware?

Adams Rite hardware fixtures are susceptible to a bypass where a wire is snaked through the keyway and actuates the locking mechanism behind it, what could prevent this bypass?

Task 7: Credits and More Resources

https://www.youtube.com/user/amihirata

https://www.youtube.com/user/DeviantOllam

https://tool.us

https://www.lockpickshop.com/lock-picking_ch9.html

https://www.locksmiths.co.uk/security-advice/locksmith-terminology/

https://www.gvlock.com/blog/understanding-door-lock-parts/

https://en.wikipedia.org/wiki/Door_handle#:~:text=Pushing%20the%20lever%20or%20turning,the%20knob%20is%20not%20turned

https://en.wikipedia.org/wiki/Padlock

http://lockwiki.com/index.php/Security_pin

http://lockwiki.com/index.php/Lockpicking

http://static.stevereads.com/papers_to_read/ten_things_everyone_should_know_about_lockpicking_and_physical_security.pdf