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Content that makes technology simpler

Practical, field-tested content on FortiGate, Microsoft 365, Avast, Kaspersky, NAS, networking and logging.

What is on this blog? The Bilgi Teknoloji Danışmanlık blog publishes practical guides based on field experience on FortiGate, Microsoft 365, Avast, Kaspersky, NAS, enterprise Wi-Fi and Law 5651 logging. Articles focus on concrete questions businesses face.

9 min read·Microsoft 365·Bilgi Teknoloji team

10 things to watch when migrating to Microsoft 365

License choice, identity architecture, DNS, OneDrive strategy and common pitfalls — a field-tested checklist for a seamless Microsoft 365 migration.

6 min read·Windows

Windows 10 ESU year one has ended: what should businesses do?

Windows 10 ESU year one ended on October 13, 2026. How to decide between year two, a Windows 11 upgrade and hardware replacement for the remaining PCs.

6 min read·Regulation

Turkey's Cybersecurity Law No. 7545: first steps for businesses

Who does Cybersecurity Law No. 7545 affect and what should companies prepare now? A technical starting list for inventory, logging, incident response and governance.

5 min read·Regulation

Turkey named its critical infrastructure sectors: what it means for manufacturing, healthcare and logistics

Turkey's Cybersecurity Board has named the critical infrastructure sectors. What should IT teams at manufacturing, healthcare, transport and logistics companies prepare now?

6 min read·Regulation

NIS2 and the supply chain: a checklist for Turkish companies exporting to the EU

NIS2 binds EU entities directly, but EU customers are asking their suppliers for security evidence too. The technical controls Turkish exporters should have ready.

6 min read·Cybersecurity

Incident response: what to do in the first 24 hours

What to do in the first 24 hours after detecting ransomware or an account takeover: a step-by-step plan for isolation, evidence, communication and breach notification.

5 min read·Logging

Log retention: planning for Law 5651, KVKK and Law 7545 together

Which logs, for how long and where? Combining Law 5651 access records, KVKK access logs and Law 7545 preparation in a single log architecture.

Enterprise data security in AI tools: what to watch when using Copilot and ChatGPT

Employees paste company data into Copilot, ChatGPT and similar tools. Policy, licensing, permission and DLP steps for safe use instead of a blanket ban.

5 min read·Firewall

6 signs it's time to replace your firewall

Speed drops when security features are on, firmware support has ended or SSL inspection isn't possible: six signs that your firewall is due for replacement.

6 min read·Database

7 places to check when SQL Server slows down

Wait statistics, Query Store, indexes, memory and MAXDOP: the order of checks we use in the field to find the cause of a slow SQL Server.

6 min read·Audit

8 common findings in FortiGate audits

Any-any rules, management exposed on WAN, VPN without MFA, outdated FortiOS: common findings in FortiGate configuration audits and how to fix them.

7 min read·Network

How to back up and track config changes on network devices

How often to back up switch and firewall configs, how to keep versions and how to track changes: the routine to set up before the next outage.

8 min read·Firewall

A security policy from scratch for SMBs with FortiGate

The first 10 steps when setting up a new FortiGate, common mistakes and practical policy tips for SMBs.

6 min read·Ransomware

Why 3-2-1 backup saves the day against ransomware

What your backup strategy needs to work during a ransomware attack. Including immutable backup.

7 min read·Microsoft 365

5 ways to manage company devices remotely with Intune

Device compliance, conditional access, app deployment and remote wipe. A practical guide for hybrid teams.

6 min read·Endpoint

What's the difference between Endpoint Security and antivirus?

The differences between classic antivirus, EPP and EDR. How this applies in Avast and Kaspersky enterprise products.

7 min read·Network

7 common mistakes when designing enterprise Wi-Fi

AP count, channel planning, SSID strategy, guest network, PoE and roaming — what to get right in wireless design.

7 min read·Logging

Law No. 5651 and logging: a business's obligations

Businesses' obligations, legal responsibility and technical requirements under Law No. 5651.

8 min read·NAS

What to consider when buying a NAS? (Synology vs QNAP)

A comparison for choosing the right NAS in terms of user count, RAID, backup needs and virtualization.

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