The A&J Computers Blog
Insights from the help desk
Practical, no-hype guidance on IT, phones, networks and security — written by the team that does this every day.
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Backup & disaster recovery: the 3-2-1 rule explained
If your data only lives in one place, you do not have a backup. The simple rule that has saved our clients more than once.
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3CX v20: what changed, and should you upgrade now?
The latest 3CX release reworks the admin console and call-routing engine. We break down what is worth the…
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Why your Atlanta business needs a pfSense firewall in 2026
Off-the-shelf routers stop where real security begins. What a properly configured pfSense / Netgate appliance gives you that…