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Franz Korbjuhn
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Articles

Tag: Firewall

Floor plan of a practice with reception, treatment room, office, server room and a waiting area with Wi-Fi, all connected through a central firewall, with backups passing through a second stage into a data centre
IT security

IT for medical practices: coordinating practice software, network and backup

What the KBV's IT security guideline requires of practices, where the TI service provider's job ends, and how I set up the practice network and backup.

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Servers and computers marked with red padlocks, next to a separate data vault from which the data flows back along a line
IT security

A ransomware attack in practice: 60 employees back at work within 48 hours

Every computer and file share encrypted, but not the backups. How an offline backup brought a company back without paying a ransom, in which order the systems returned and what changed afterwards.

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An office with server rack, network and workstations, next to it keys and a ticked-off documentation lie ready at a new workstation
Everyday business IT

How to change IT provider: access, handover and keeping things running

What to secure before you change IT provider: complete documentation, all the access, and a Microsoft 365 tenant that belongs to your company.

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One network for several companies at one site: three separate network zones with a shared firewall and a shared printer
Infrastructure

Several companies, one site: keeping the network and access separate

A shared internet connection and firewall, separate networks and a Microsoft 365 tenant for each company. What is shared, what stays separate, how costs are split and where such projects are most likely to snag.

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