In 2010, he was appointed commander of the Ma'of [he] (מעו"ף), the “systems and projects” department of the Lotem unit.
[3][4] In November 2015, he was appointed head of the intensification brigade, a new division established in the Computer Service Directorate.
He worked closely with the National Cyber Bureau and helped defend the military's computer networks.
[6] In December 2016, he received the Chief of Staff Award for military writing for his article “This is How We've Always Done It” - personal insights from the processes of change and adaptation, published in the Hebrew journal "Between the Poles" at The Dado Center for Interdisciplinary Military Studies.
[7] In 2017, Bren, together with three other partners, founded OTORIO, an information security company that provides cyber protection services for critical infrastructures.