Lock by Tom Svens

Learn How To Crack Any Combination Lock with One Principle

Ismail Elouafiq
Mar 12, 2017 · 6 min read

Example 1–3 digit lock in less than 4 trials

Step 1 — Identifying the prospect numbers

Figure 1 — Identifying the prospects (disk 1 is the closest to the shackle in this example)
Figure 2 — a — Rotating disk
Figure 2 — b — Rotating disk with identified candidate numbers

Step 2 — Lowering the number of trials

Step 3 — (optional) Even less trials

Example 2 — Opening a 4 digit bike lock in one trial

Well, as disappointed as I am with my brand new lock, I still keep using it. While I do not keep any valuables inside the locker anymore I just use the lock because it will make the experience of opening my locker more painful and risky. I am also relying on the fact that there is a constant flow in the locker room and a thief might be afraid that the owner can show up at any moment.

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secjuice™

secjuice™ is your daily shot of opinion, analysis & insight from some of the sharpest wits in cybersecurity, information security, network security and OSINT.

Ismail Elouafiq

Written by

I eat chocolate, drink tea and write about data... find me at http://www.ismail.land

secjuice™

secjuice™ is your daily shot of opinion, analysis & insight from some of the sharpest wits in cybersecurity, information security, network security and OSINT.