Silent Breach Email Formats
Computer and Network Security • 
Manhattan, New York, United States • 11-20 Employees
Silent Breach Email Formats
Silent Breach uses 3 email formats. The most common is {first initial}{last name} (e.g., jdoe@silentbreach.com), used 33.3% of the time.
| Format | Example | Percentage |
|---|---|---|
{first initial}{last name} | jdoe@silentbreach.com | 33.3% |
{first initial} | j@silentbreach.com | 33.3% |
{first name}{last name} | johndoe@silentbreach.com | 33.3% |
Key Contact at Silent Breach
Marc Castejon
Ceo
Company overview
| Headquarters | 244 Madison Ave, New York, NY 10016, US |
| Phone number | +17274977941 |
| Website | |
| NAICS | 518210 |
| SIC | 738 |
| Founded | 2017 |
| Employees | 11-20 |
| Socials |
About Silent Breach
At Silent Breach, we think like a hacker and defend like a pro. We fuse world-class offensive security expertise with state-of-the-art defensive capabilities, helping organizations uncover hidden vulnerabilities before attackers do. Our team of elite penetration testers, threat hunters, and red team operatives delivers intelligence-driven security designed to outthink, outpace, and outmaneuver modern threats. With offices in New York, Florida, Paris, Singapore, and Chennai, we operate across multiple time zones to provide continuous coverage for our clients. Silent Breach is ISO 27001 certified, ensuring the highest standards of information security in everything we do. Our expertise has earned us global recognition, including: • Top PenTest Provider • Bug Bounty Hall of Fame • Top 10 Cybersecurity Solutions Provider • Top 10 Vulnerability Management Provider Quantum Armor: Our flagship platform, Quantum Armor, brings 24/7 attack surface monitoring and proactive defense to the modern enterprise. Powered by AI-driven reconnaissance, continuous vulnerability tracking, and actionable threat intelligence, Quantum Armor enables you to spot—and stop—emerging threats before they become breaches.
Employees by Management Level
Total employees: 11-20
Seniority
Employees
Employees by Department
Silent Breach has 9 employees across 5 departments.
Departments
Number of employees
Funding Data
Silent Breach has never raised funding before.
Silent Breach Tech Stack
Discover the technologies and tools that power Silent Breach's digital infrastructure, from frameworks to analytics platforms.
Security
Advertising
Tag managers
Hosting
Advertising
Reverse proxies
JavaScript libraries
Analytics
JavaScript libraries
Miscellaneous
Netherlands
Germany
Sweden
Frequently asked questions
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