Personal Firewall

You can get further protection against harmful malware by using firewall software that should prevent unauthorised access to your computer when you are on the Internet.

A firewall is a program or hardware device that filters the information coming through the Internet connection into your private network or computer system. If the filters flag an unauthorised incoming packet of information, it is not allowed through. Most firewalls can also filter outbound information.

Some operating systems come with a firewall built in. Otherwise, a software firewall can be installed on any computer that has an Internet connection.


AIB is a registered business name of Allied Irish Banks, p.l.c. Registered Office: Bankcentre, Ballsbridge, Dublin 4.

Registered in Ireland: Registered No. 24173.

Allied Irish Banks, p.l.c. is regulated by the Central Bank of Ireland.

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