Firewalls, security software and limiting online threats

Your business can protect its website and networks from 'malware' and hackers by:

• installing firewalls and internet security software
• installing updates to software and operating systems
• checking log files
• backing up your systems

Malware

Malware is software that:

• disrupts computers and devices
• steals sensitive or confidential information
• spies on users

You can find advice on malware on the Get Safe Online website.

You can also find advice on malware on the National Cyber Security Centre website.

Firewalls

A firewall is a type of software that can help protect your business' network or systems from:

• viruses
• spyware
• a hacker

You can find advice on firewalls on the Get Safe Online website.

Software updates

Installing updates to your software and operating system can help protect your business.

Software manufacturers release security updates on a regular basis to protect against:

• viruses
• spyware
• criminal activities

You can find more advice on installing:

• software updates on the Get Safe Online website
• updates to operating systems on the Get Safe Online website

Internet security software

Internet security software (such as antivirus software or antispyware) can protect your business by scanning:

• incoming emails for viruses
• files to make sure they're not infected
• USB devices including memory sticks, external hard drives and MP3 players

You can find advice on internet security software on the Get Safe Online website.

Log files

Log files can show if someone has tried to hack your systems.

Your business should check them on a regular basis.

You can find advice on log files on the Get Safe Online website.

Limiting online threats

You can limit the impact of online threats to your business by:

• backing up your systems
• having a 'business continuity plan'

A business continuity plan shows how your business will keep going in the event of an online threat.

You can find more advice about:

• backing up your systems on the Get Safe Online website
• business continuity plans on the Get Safe Online website

You can also find advice about backing up your data on the National Cyber Security Centre website.