Hosni Tounsi

Hosni Tounsi serves as Chief Technical Officer at KEYSTONE Group. KEYSTONE Group operates in the computer & network security sector with approximately 85.0 employees. The company is headquartered in Florida.

Industry & Role Insights

• • MessageCEO tracks 1,629 executives in the computer & network security sector.
• • 4,613 executive contacts are available in Florida.
• • Our database includes 201,469 c suite-level executives.

Outlook Microsoft Office 365 Google Font API Nginx Mobile Friendly WordPress.org Bootstrap Framework

pentesting cert security incident strategy consulting cybersecurite application audit investigation iot cybersecurity managed security services penetration testing incident response security compliance vulnerability assessment risk management cyber defense security audit incident management capacity building training programs threat detection security awareness data protection gdpr compliance iso standards ciso services managed detection & response security posture it security policy threat intelligence soc implementation malware analysis digital transformation business continuity planning security monitoring security incidents big data analytics iot security cloud security cyber threat hunting social engineering network security risk assessment cybersecurity framework iso 27001 cve analysis forensics cyber crisis management advanced threat protection security consulting real-time analytics scada security external testing internal assessments application security computer & network security information technology & services enterprise software enterprises computer software b2b

ST

Sharon Torati CEO at 10root Cyber Security

MB

Meni Bondarkar CTO at 10Secure

ST

Shay Tiv CEO at 10Secure

MC

Michael Cichon Chief Marketing Officer at 1Kosmos - BlockID

CO

Christine Owen Field CTO at 1Kosmos - BlockID

Outreach Guidance — computer & network security Sector

Executives like Hosni Tounsi in the computer & network security sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at KEYSTONE Group.

Hosni Tounsi's Position in the MessageCEO Database

• •Hosni Tounsi is 1 of 1 verified executive contact we track at KEYSTONE Group.
• •1,615 verified executive contacts in computer & network security are in the MessageCEO database.
• •4,408 verified executive contacts in Florida are in the database.
• •3 verified contacts work at computer & network security companies in the 85.0 employee range (same size as KEYSTONE Group).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.

How do I reach Hosni Tounsi directly?

Hosni Tounsi's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Technical Officer at KEYSTONE Group. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Hosni Tounsi work for?

Hosni Tounsi is Chief Technical Officer at KEYSTONE Group, a company in the computer & network security sector with 85.0 employees. The company is based in Florida.

Can I pitch or sell to Hosni Tounsi?

As Chief Technical Officer at KEYSTONE Group, Hosni Tounsi is a key decision-maker in the computer & network security sector. MessageCEO Pro gives you verified email to reach Hosni Tounsi directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Hosni Tounsi in?

Hosni Tounsi works in the computer & network security industry as Chief Technical Officer at KEYSTONE Group. MessageCEO provides verified contact information for executives across all major industries.

Is Hosni Tounsi's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Hosni Tounsi's profile is kept up-to-date with the latest available information.

Last updated: July 22, 2026