Ste­fan Hessel

Attorney-at-law | LL.M.
Head of Digital Business

Master of Laws (Information Technology and Law)
Certified Data Protection Officer (TÜV®)
Certified ISMS Security Officer according to ISO/IEC 27001 (ICO)
Certified ISMS Auditor according to ISO/IEC 27001 (ICO)

Ste­fan Hessel


  • Advi­ses and assists cli­ents on com­plex issues in the field of data pro­tec­tion, cyber secu­ri­ty and IT law
  • Act as an exter­nal data pro­tec­tion officer
  • Expert in the field of cyber secu­ri­ty and data pro­tec­tion law (e.g. as an expert wit­ness on the law on auto­no­mous dri­ving in the Bundestag)
  • Tech­ni­cal and legal ana­ly­sis of attacks on IT sys­tems and the impact of cyber attacks
  • Spea­k­er and lec­tu­rer on issues at the inter­face of IT secu­ri­ty and law, e.g. at the Ger­man Uni­ver­si­ty of Admi­nis­tra­ti­ve Sci­en­ces Speyer


  • Stu­di­ed law at Saar­land University
  • Mas­ter of Laws (LL.M.) in “Infor­ma­ti­on Tech­no­lo­gy and Law” at Saar­land University
  • Work­ed as rese­arch employee e.g. at the CISPA Helm­holtz Cen­ter for Infor­ma­ti­on Secu­ri­ty and Saar­land Uni­ver­si­ty­’s Insti­tu­te of Legal Informatics
  • Self-employed acti­vi­ty as data pro­tec­tion officer
  • Mem­ber of the Board and Tre­asurer of Deut­scher EDV-Gerichtstag e.V.
  • Curr­ent­ly: dis­ser­ta­ti­on on legal ques­ti­ons in the field of IT and data pro­tec­tion law

Cur­rent pro­jects (extra­ct)

  • Pro­vi­des data pro­tec­tion law sup­port for the use of Micro­soft 365 by com­pa­nies and public agencies
  • Sup­ports and imple­ments data pro­tec­tion law requi­re­ments with respect to new busi­ness models
  • Deve­lo­ps legal capa­ci­ties to deal with cyber­at­tacks in com­pa­nies (legal inci­dent response)

Latest News

Ste­fan Hessel

Breakth­rough in the data protection-compliant use of Micro­soft 365

Ste­fan Hessel

State­ment: the NIS2 Imple­men­ta­ti­on and Cyber Secu­ri­ty Streng­thening Act from a busi­ness perspective


The use of Micro­soft Teams in public administration


Publications (selection)

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