The Security Service website has been designed to be accessible to all users, irrespective of their browser type, speed of connection or physical ability. It conforms with the W3C's Web Content Accessibility Guidelines (WCAG) 1.0 (new window).
The following instructions will set the minimum font size in your computer's system, so the size will apply to every site you visit.
If you are using a screen reader, we hope you will benefit from our use of meaningful headings, link text and alternative text to navigate our website.
For more information on help with hearing websites including using screen reading software amongst other assistive technologies, go to the BBC My Web My Way website (new window).
Accesskeys operate on all pages of this site and provide an alternative to the standard navigation buttons. These shortcuts are particularly helpful for people who have difficulty using a mouse. This website complies with the recommended UK Government accesskeys standard.
S Skip constant navigation
8 Terms and conditions
9 Contact Us
0 Accesskey details
Unfortunately, different browsers use access keys in different ways. In general you need to hold down a key or two, and then press the access key you want.
Browsers for PCs
Browsers for Macs
For more information on using your mouse to navigate the website such as adjusting the speed of your mouse, making it left-handed and making your mouse pointer larger, go to the BBC My Web My Way website (new window). The BBC site also covers alternatives to the mouse or keyboard.
In some places the Security Service website links to Portable Document Format (PDF) files. In order to open and read PDF files, it is necessary to have the Adobe Acrobat Reader installed on your computer. The Reader may be downloaded free of charge from the Adobe website (new window).
For information on making PDFs accessible see online conversion tools for Adobe PDF documents (new window).
If you have any problems accessing the information on the Security Service website, please send us a message on theContact Us page. Include details of the page in question, the nature of the problem and which browser / operating system you are using, and we shall investigate the issue further.