Dealing with security breaches
![](/content/dam/barclaycard/images/business/help-and-support/hero-images/hero-dealwithsecuritybreach-3_1.large.medium_quality.jpg)
If you think your systems have been compromised, please take the steps provided and contact us on
Monday–Friday, 9am–5pm
Seven steps to deal with a security breach
- Follow your incident response plan
- Ensure that no-one can access or alter compromised systems
- Isolate the compromised systems from your network, and unplug any network cables and/or disable wireless access, without turning the systems off
- Keep all logs and other electronic evidence of what’s happened
- Back up your systems to preserve their current state, which will help with any investigations
- Take note of all the actions you take in the process
- Make sure you get advice from us before you process any more transactions
Need help with a security breach?
Please contact us on 0800 161 5343 (Monday–Friday, 9am–5pm). You can also find more information on PCI DSS visiting the official
PCI Security Standards website.