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Defensive Security

Defensive Security

Computer and Network SecurityFlag of PLWilkowice, Silesian Voivodeship, Poland1-10 Employees

Company overview

HeadquartersKamienna, 1e, Bielsko Biała, Silesia 43-365, PL
Phone number+48202141773
Website
NAICS518210
SIC738
Keywords
Active Directory, Network Security, Open Source, Penetration Testing, Siem, Incident Response, Security Analytics, Endpoint Security, Web Application Security, Cyber Security Training, Red Teaming, APT, Security Operation Center, Threat Analysis, Infrastructure Security, Threat Hunting, Memory Forensics, Linux Security, Dfir, Log Analysis, Devsecops, Cyber Range, It Security Consulting, Adversary Emulation, Purple Teaming, Blue Teaming, Attack Framework, C2 Matrix, Linux Hardening, Purplelabs, Sigma Rules, Sysmon
Founded2015
Employees1-10
Socials

Key Contact at Defensive Security

Flag of PL

Leszek Mis

Founder | Trainer | Principal Cyber Security Threat Expert

Defensive Security Email Formats

Defensive Security uses 2 email formats. The most common is {first initial}.{last name} (e.g., j.doe@defensive-security.com), used 66.7% of the time.

FormatExamplePercentage
{first initial}.{last name}
j.doe@defensive-security.com
66.7%
{first name}.{last name}
john.doe@defensive-security.com
33.3%

About Defensive Security

Defensive Security delivers high-quality cyber security services including Linux / Windows digital forensics, incident response, latest threat analysis, and hunting, penetration testing, and infrastructure hardening. We successfully deliver a combination of Threat/Adversary Emulations vs network/endpoint investigations and log analysis at scale which is known as Purple Teaming. Defensive Security offers advanced, hands-on cyber security training programs backed by PurpleLabs - a fully customized Cyber Range Environment enriched by step-by-step offensive/defensive lab instructions. Want to sharpen your Purple team skills? Try PurpleLabs where you will be playing with chained attack paths, emulating attacker's TTPs, and running detection/response at the same time by using Sysmon and EVTX, Auditd, Wazuh, Graylog, HELK, ElastAlert, Falco, OSQuery, Velociraptor, Zeek, Suricata, Moloch FPC, Volatility Framework, theHive, MISP, and Sigma Rules. Our mission is to help organizations have more secure infrastructures, better utilize Open Source software in Security Operations, and enable businesses to improve the detection capacity and skills of their SOC/IR teams. We are trusted by the biggest customers from the private, oil and gas, insurance, and financial sector. It was an honor for us to conduct training workshops during the biggest conferences including Hack In The Box, BruCON, 44CON, OWASP AppSec US, and Black Hat US. Our almost 20 years of hands-on experience with Open Source Security Solutions go directly into the full spectrum of technology solutions to support customers achieving better visibility and detections, improving offensive and defensive Red / Blue and Purple team skills, validating defensive technology stacks, and helping understand the value of the Assume Breach approach and emulation of threats after getting initial access (C2, post-exploitation, Lateral Movement, Persistence, Evasion).

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Defensive Security revenue & valuation

Annual revenue$342,220
Revenue per employee$86,000
Estimated valuation?$1,100,000
Total fundingNo funding

Employees by Management Level

Total employees: 1-10

Seniority

Employees

Founder/Owner

Funding Data

Defensive Security has never raised funding before.

Defensive Security Tech Stack

Discover the technologies and tools that power Defensive Security's digital infrastructure, from frameworks to analytics platforms.

Google Workspace

Google Workspace

Email

particles.js

particles.js

JavaScript graphics

Prism

Prism

Miscellaneous

Google Tag Manager

Google Tag Manager

Tag managers

jQuery

jQuery

JavaScript libraries

Nginx

Nginx

Reverse proxies

HSTS

HSTS

Security

Open Graph

Open Graph

Miscellaneous

PWA

PWA

Miscellaneous

Google Analytics

Google Analytics

Analytics

Webpack

Webpack

Miscellaneous

Google Font API

Google Font API

Font scripts

Frequently asked questions

Defensive Security is located in Wilkowice, Silesian Voivodeship, PL.
You can reach Defensive Security at +48202141773.
Defensive Security was founded in 2015, making it 11 years old. The company has established itself as a significant player in its industry over this time.
Defensive Security has approximately 1-10 employees. The company continues to grow its workforce to support its business operations and expansion.

4.8

40,000 users

top 50
high performer
most used
tier 1 accuracy

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