Greetings from the CEO

Claes Törneman - CEO

Claes Törneman is 62 years old and holds a Master of Law.

After a few years with a business law firm, he switched to the FRA (Swedish National Defence Radio Establishment) intelligence service.
For reasons of confidentiality, his work with the intelligence service cannot be described in any more detail than "first an analyst, then a method developer, and finally a number of managerial roles".
One of which was that of IT Security Team Manager for the last ten years.

Since 2014, Claes is CEO of Security Office, which he founded along with Magnus Sjöberg.

Contact   Call Us - +46 70-406 45 06

Magnus Sjöberg - CTO

Magnus Sjöberg holds an MSc in Computer Science from the Royal Institute of Technology (KTH) in Stockholm, Sweden.
He started his career as a systems developer and in 2000 co-founded Secode (currently NTT Security), one of the very first companies in the Nordics to provide MSS-services.
After leaving Secode he spent many years working for the Swedish Intelligence (FRA / NDRE).
Following his job at FRA, he worked as Head of Security at Klarna Bank, before returning to FRA to head up a national security initiative.

Since 2014 he is currently the CTO of Säkerhetskontoret, a company he founded with Claes Törneman.


  • GIAC Security Expert (GSE #72)

Oscar Arnflo - Country Manager Korea

Oscar Arnflo studied Computer Science at the Royal Institute of Technology.

Oscar has worked with IT security for ten years.
Before that, he worked with IT system development and has also founded a number of tech startups.

His work as a security researcher and penetration tester forms the foundation of Oscar's significant expertise in IT security.


  • 2019 NAVER Hall of fame
  • 2020 NAVER Hall of fame
  • CVE 10+


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Sweden - Stockholm

Sandelsgatan 16, 115 34, Stockholm, Sweden

Sweden - Malmö

Torggatan 4, 211 40, Malmö, Sweden

South Korea - Seoul

11th fl Shinil Bldg., 131 Toegye-ro, Jung-gu, 04537, Seoul, South Korea