Insights

Strategic Audit Demand Cure53 specializes in comprehensive black-box and white-box penetration testing, code audits, and crypto tool reviews, indicating ongoing opportunities for security assessments across clients and partnerships seeking thorough, expert testing without excessive reporting overhead.

Enterprise Client Wins Recent engagement with Obsidian Enterprise to audit Sync service, API, server, and cryptography highlights a path to target enterprise-grade clients with demanding security and cryptography review needs.

Browser Extension Security Successful second assessment of Chrome and Firefox extensions for a major provider demonstrates capability in securing browser extensions, suggesting outreach to extension developers and SaaS platforms reliant on browser-based tooling.

Geographic and Brand Cred Berlin-based Cure53 has a proven track record with global clients and high-profile press coverage, enabling leverage when approaching international security-conscious organizations seeking trusted third-party validation.

Multi-Language Capabilities Experience across PHP, JavaScript, Java, Python, Ruby, Perl, C++, Delphi and mobile/web platforms positions Cure53 to pursue diverse software stacks, including legacy and modern technologies that require deep manual testing expertise.

Similar companies to Cure53

Cyberint, a Check Point Company
171$1B - $10B
BullWall
45$10M - $25M
SafeBreach
140$100M - $250M
VECTRA
44$1M - $10M
Guardicore
59$25M - $50M
Conduct
20$1M - $10M
Morphisec
98$100M - $250M
Qualys
3.6K$500M - $1B
Cybereason, A LevelBlue Company
446$250M - $500M
XM Cyber
445$100M - $250M

Cure53 Tech Stack

Cure53 uses 6 technology products and services including united-domains, Google Workspace, Ubuntu, and more. Explore Cure53's tech stack below.

united-domains
Domain Name Services
Google Workspace
Email
Ubuntu
Operating Systems
HSTS
Security
Apache
Web Servers
Apache HTTP Server
Web Servers

Media & News

Cure53's Email Address Formats

Cure53 uses at least 2 email formats:

Cure53 Email Formats	Example	Percentage
First@cure53.de	John@cure53.de	89%
Middle@cure53.de	Michael@cure53.de	11%

Frequently Asked Questions

What is Cure53's official website and social media links?

Cure53's official website is cure53.de and has social profiles on LinkedIn.

How much revenue does Cure53 generate?

As of October 2026, Cure53's annual revenue is estimated to be $25M - $50M.

What is Cure53's NAICS code?

Cure53's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Cure53 have currently?

As of October 2026, Cure53 has approximately 28 employees across 4 continents, including Europe, Africa and North America. Key team members include Founder: M. H., Partner: N. K. and Senior Penetration Tester & Team Lead: Y. S. Explore Cure53's employee directory with LeadIQ.

What industry does Cure53 belong to?

Cure53 operates in the Technology, Information and Internet industry.

What technology does Cure53 use?

Cure53's tech stack includes united-domains, Google Workspace, Ubuntu, HSTS, Apache and Apache HTTP Server.

What is Cure53's email format?

Cure53's email format typically follows the pattern of First@cure53.de. Find more Cure53 email formats with LeadIQ.

When was Cure53 founded?

Cure53 was founded in 2007.

Cure53

Q: What is Cure53's official website and social media links?

Cure53's official website is cure53.de. Cure53 has social profiles on LinkedIn.

Q: How many employees does Cure53 have currently?

Cure53 has approximately 28 employees.

Q: What technology does Cure53 use?

Cure53's tech stack includes Apache, united-domains, HSTS, Ubuntu, Google Workspace.

Q: What is Cure53's NAICS code?

Cure53's NAICS code is 5415 (Computer Systems Design and Related Services).

Technology, Information and InternetBerlin, Germany11-50 Employees

Cure53 conducts security assessments, including black-box penetration testing and white-box code audits. Its engagements cover web applications, online services, hardware interfaces, and mobile apps, with an emphasis on careful, hands-on testing and straightforward reports.

Based in Berlin, Germany, Cure53 has been operating since 2007 and sits within the technology and information security landscape. Its services target developers and organizations seeking rigorous vulnerability identification and remediation across a range of digital systems. A recent development saw Cure53 complete an audit of Obsidian Sync for Obsidian Enterprise, examining the API, server, and cryptography.