Any network can be hacked. It is only a matter of how badly someone wants to hack it and how many resources they are willing to invest in order to do so.
Remember Linkedin, Adobe, Microsoft and many, many others that got hacked?
Somebody really wanted to get their data…
Install an antivirus, a firewall, antiphishing and hide your tracks on the web.
These any many other tips can be found in the free eBook “Improve your security”.All these and many more topics are in the free eBook "Improve your security" available here: www.improve-your-security.org.