Contact us for cyber security discussions

Feel free to contact us for any enquiries on cyber security or elfGROUP services, RFPs or partnerships.

Our e-mail addresses are in the format. Please take care not to send confidential information as an unencrypted e-mail Alternatively, you can use the elfGROUP contact form to submit your thoughts (also a file attachment is supported).

Tuomas Tonteri

Tuomas Tonteri

Senior Cyber Security Architect, Founder & CEO

Tuomas is the founder and entrepreneur at elfGROUP. Identifying himself as more of a software, infosec and IT infra geek than a business manager, with 23+ years of industry experience, elfGROUP brings an intriguing combination of both worlds. You are welcome to contact Tuomas on any technical or commercial topic you might have on your mind.

Mobile: +358403563251 (Call, SMS, Telegram), LinkedIn

Markus Hamara

Markus Hamara

Chief Cyber Security Analyst, CISO
CompTIA Security+, ISO 27001 Lead Auditor (in accreditation)

Markus has been with elfGROUP for almost five years and is nowadays leading our analysts team and working as our CISO. With extensive experience and endless patience to cover audit forms, Markus specializes not only in secure SW development and architectural assessments, but also corporate security and casually conducts CyberSafe & ISO 27k audits.

Mobile: +358401618227 (Call, SMS, Telegram), LinkedIn

General e-mail addresses

General sales enquiries:

elfCLOUD servers support:

Everything else:

elfGROUP Headquarters

elfGROUP Cyber Security Services Ltd
Hiltusentie 23 A 1
90620 Oulu