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Cyber Security on Willem's Blog

Understanding the security concerns in shared hosting

Considering open ports and unused network facing services

Feb. 28, 2019
People pay me to hack them, provided I'll explain how I did it. Read along to learn how hackers use security holes to hack your app, webshop or website!

People pay me to hack them, provided I'll explain how it was done, so future hacks can be prevented. As security consultant, I scan for weaknesses in my clients' apps, webshops and websites. Very often a hack starts by exploiting a security hole that is visible remotely. Read along to learn how hackers find security holes and what you can do to secure them.

Cyber security: 5 easy tips to protect your server against hackers

Server hardening best practices for Windows and Linux

Mar. 10, 2018
These 5 practical cyber security measures will improve the safety of server, website and data.

This week one of my clients was hacked and asked me for emergency assistance to help secure their server infrastructure. It was a web server that ran WordPress websites on Apache (with PHP/MySQL), including a few webshops with customer data. This hack could easily have been prevented with the following best practices, is your server secure?

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Different kinds of hosting: Shared hosting, VPS hosting and dedicated hosting visualised (a circle representing a physical server)
Different kinds of hosting: Shared hosting, VPS hosting and dedicated hosting visualised (a circle representing a physical server)
A typical server in the datacenter, a physical machine that can host apps, webshops and websites
A typical server in the datacenter, a physical machine that can host apps, webshops and websites
Contagious effect of an hacked website (red indicating trouble)
Contagious effect of an hacked website (red indicating trouble)
Keep in mind that help is available - I know my way around servers and cyber security
Keep in mind that help is available - I know my way around servers and cyber security
Using nmap to scan a hosting server, identifying network facing services and open ports
Using nmap to scan a hosting server, identifying network facing services and open ports
Check upon your server regulary - or find somebody that does this for you.
Check upon your server regulary - or find somebody that does this for you.
Once a hacker knows what software your website uses, its easy to lookup known security holes using databases like cvedetails.com
Once a hacker knows what software your website uses, its easy to lookup known security holes using databases like cvedetails.com
The data centre is where your server lives. Even though it may be physically secure, you should check upon its software too!
The data centre is where your server lives. Even though it may be physically secure, you should check upon its software too!

More Cyber Security on Willem's Blog

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