Chicago-based security consultant specializing in premise liability and security negligenc

#OneJob

Welcome! This Is my collection of the good, bad, and UGLY security that I have observed over my premise liability management career. This also includes vulnerabilities that I have uncovered directly in my travels and during security assessments that I have previously conducted.

"My value is in my ability to identify, validate vulnerabilities, control threats and minimizing impact to assets"

Apr 28
1 min

Perception and Convenience intersect into premises liability

Its all to common. Convenience trumps security, like this video. The problem is to the casual passer by, or the employee, it appears...

11 views

Apr 21
1 min

This installer is paid by the fastener.

Historically physical security has been, and contineues to be, your best defense. Finding these issues requires a site inspection.

10 views

Apr 7
1 min

When a Contractor REALLY, I mean REALLY doesn't want you to lock the door.

Too bad it's in an actively provisioned telecom room. Preventing this is as easy as preventative maintenance and is core to my physical...

14 views

Apr 1
1 min

When it's not maintained, it's foreseeable that.....The door wont secure

Just because you think it's secure, does not mean it's secure. Door maintenance is a form of liability

10 views

Mar 24
1 min

Hotel Security - NOT

At least they provided hand sanitizer to protect their patrons from disease. Wish room invasion was higher on the list.

13 views

Feb 24
1 min

Google Construction Core, and you will learn why this is not good.

Anyone in construction has this key Always check your keyways, consider biaxial to ensure that your lock is secure. Does your case...

6 views

Feb 17
0 min

Turnstiles check! Fence?

18 views

Feb 10
0 min

I have no idea how vagrants are getting into your parking garage.

52 views

Feb 4
0 min

Don't worry about forgetting your key.

13 views

Jan 22
1 min

Wiring right, wiring wrong...My own one - job story..

Comment below.. What did I do wrong? Why aren't we seeing an alarm?

9 views

Jan 6
0 min

Opportunity. The root to some crimes. Break the opportunity. Break the crime.

10 views

Dec 31, 2022
0 min

When in doubt; double stick tape-it

12 views

Dec 24, 2022
0 min

This happens more than you think

4 views

Dec 17, 2022
0 min

360 degree protection, or there is no protection

10 views

Dec 9, 2022
0 min

The wall is now secure

7 views

Dec 2, 2022
0 min

The secret word is. Scanner

8 views

Nov 24, 2022
1 min

Work alone.

What does this present to a person contemplating an illegitimate act

14 views

Oct 30, 2022
0 min

Might be missing something.

10 views

Oct 21, 2022
0 min

Spelling liability at a convenience/gas station - CPTED

13 views

Sep 24, 2022
1 min

Do not leave keys in doors. Especially keys that open doors beyond those they are inserted.

Secondarily, someone considering illicit mate activity could use this as an opportunity to control or funnel access.

3 views

AHRENS SECURITY

Expert Witness Consulting

#OneJob

CONTACT
SEAN A. AHRENS

CONTACT ME TO SUPPORT YOUR LITIGATION CASE

My education: I have a master's in organizational security management from Webster University, graduating with honors–Cum Laude. Before that, I did my bachelor's in criminal justice at Western Illinois University. I continue to obtain certifications that further substantiate my security lineage.

SEAN A. AHRENS, MA, CPP, CSC, BSCP, FSyl

AHRENS SECURITY

Expert Witness Consulting

#OneJob

CONTACT SEAN A. AHRENS

CONTACT ME TO SUPPORT YOUR LITIGATION CASE

​

My education: I have a master's in organizational security management from Webster University, graduating with honors–Cum Laude. Before that, I did my bachelor's in criminal justice at Western Illinois University. I continue to obtain certifications that further substantiate my security lineage.

​​

SEAN A. AHRENS, MA, CPP, CSC, BSCP, FSyl

CONTACT
SEAN A. AHRENS