What are cookies?
Cookies are text files containing small amounts of information which are downloaded to your device (e.g. computer, smartphone, electronic device which accesses the internet) when you visit a website. They help the website recognise your device and can remember information about your visit (such as your preferences), which can improve your browsing experience.
Cookies can be set by the website you are visiting (“first party cookies”) or by third parties whose services are used on that website (“third party cookies”), such as advertising networks and providers of external services like web traffic analysis services. We do not control third-party cookies, their use of cookies and any information collected is governed by their own cookie and privacy notices.
Who sets cookies on our site
We set first-party cookies on our domain. We also allow selected third parties to set cookies on our site for purposes such as providing security, analytics, video playback and advertising services. Details of each provider, purpose and durations are listed in the cookie table below.
Why do we use cookies?
We use cookies to:
- Gather customer journey information across our sites
- Ensure your privacy in our secure sites
- Store login details for our secure sites
Some cookies are essential to provide core site features. Others are optional and are only set with your consent.
Cookie consent and your choices
When you first visit one of our websites, our cookie banner explains our use of cookies and gives you the option to accept all cookies, reject all non-essential cookies, or manage your preferences by category. We only set non-essential cookies, including analytics and marketing, after you have given your consent.
You can change or withdraw your consent at any time by visiting the cookie settings link available in the footer on every page. Your updated choices will apply from that point forward. If you need more details on how to do this in your own browser, here are some links from the most popular browsers: Chrome, Microsoft Edge, and Safari. To enable or disable cookies in your browser, you will need to follow the browser provider’s. Click on the icon on the left of your screen and you will be prompted to change your settings. Alternatively, external resources are available providing specific information about cookies and how to manage them. You may also clear cookies via your browser settings; doing so will remove our cookies from your device and may reset your on site preferences. If you disable cookies in your browser, you may not be able to access secure areas of our website.
Types of cookies we use
- Strictly necessary cookies: These are essential to provide the website and the services you request, for example to keep you logged in, maintain security and remember your cookie preferences. These cookies do not require your consent. If you disable them in your browser, parts of the site may not function.
- Analytics/performance cookies: These cookies monitor how our website is performing, allowing us to improve the experience of our site and other services. They also enable us to tailor the site to be relevant to you and your interests. These cookies are not used to provide you with online advertising and are set only with your consent.
- Marketing cookies: These may be set by us or our partners to build a profile of your interests and show you relevant content or ads. These are only set with your consent.
- Session cookies: These are cookies that are only valid for the duration of your session on our websites. These cookies may be used to record that you have logged in or out of certain areas of our site during your browsing session. This is to ensure that your experience of our content is as seamless as possible. These transient cookies are not stored when you close your browser session.
- Persistent cookies: These are cookies that remain on your machine until they expire or are deleted. Many of them have automatic deletion dates (see “Duration” in the table below). These cookies often store preferences linked to your login information.
Here is a list of cookies that might be used as part of your session on our website (valid as of 24th August 2026):
| Cookie Name | Cookie Provider | Duration | Purpose | Category |
|---|---|---|---|---|
| CookieConsent | caci.co.uk | 1 year | Stores the user’s cookie consent state for the current domain | Necessary |
| cf.turnstile.u | Cloudflare | Session | This cookie is used to distinguish between humans and bots. This is required to keep the website secure. | Necessary |
| _cfuvid | Cloudflare | Session | This cookie is a part of the services provided by Cloudflare – Including load-balancing, deliverance of website content and serving DNS connection for website operators. | Necessary |
| Cookietest | hubspot.com | Session | This cookie is used to determine if the visitor has accepted the cookie consent box. | Necessary |
| test_cookie | doubleclick.net | 1 day | Used to check if the user’s browser supports cookies. | Necessary |
| __cf_bm | hubspot.com | 1 day | This cookie is used to distinguish between humans and bots. This is required to keep the website secure and make valid reports on the use of our website. Also required for the contact form to work, submitting your data to our Hubspot CRM. | Necessary |
| __hssc | caci.co.uk | 1 day | Identifies if the cookie data needs to be updated in the visitor’s browser. | Analytics and Performance |
| __hssrc | caci.co.uk | Session | Used to recognise the visitor’s browser upon re-entry on the website. | Analytics and Performance |
| __hstc | caci.co.uk | 180 days | Sets a unique ID for the session. This allows the website to obtain data on visitor behaviour for statistical purposes. | Analytics and Performance |
| _ga | caci.co.uk | 2 years | Used to send data to Google Analytics about the visitor’s device and behaviour. Tracks the visitor across devices and marketing channels. | Analytics and Performance |
| Hubspotutk | caci.co.uk | 180 days | Sets a unique ID for the session. This allows the website to obtain data on visitor behaviour for statistical purposes. | Analytics and Performance |
| __ptq.gif | hubspot.com | Session | First-party cookie that sends anonymous data to the marketing platform Hubspot about the visitor’s device and behaviour. | Analytics and Performance |
| __Secure-ROLLOUT_TOKEN | youtube.com | 180 days | Used to track user’s interaction with embedded content. | Marketing |
| __Secure-YEC | youtube.com | Session | Stores the user’s video player preferences using embedded YouTube video | Marketing |
| _gcl_au | caci.co.uk | 3 months | Used to measure the efficiency of our website’s paid ads efforts, by collecting data on the conversion rate of our ads across multiple campaigns. | Marketing |
| _gcl_ls | googletagmanager.com | Persistent | Tracks the conversion rate between the user and optional paid ads we might be running. | Marketing |
| LAST_RESULT_ENTRY_KEY | youtube.com | Session | Used to track user’s interaction with embedded content. | Marketing |
| NID | google.com | 6 months | Registers a unique ID that identifies a returning user’s device. The ID is used for targeted ads. | Marketing |
| pagead/1p-user-list/# | google.com | Session | Generated by Google pagead dynamic marketing, to track events such as conversions or other meaningful user interactions. | Marketing |
| remote_sid | youtube.com | Session | For the implementation and functionality of YouTube video-content on the website. | Marketing |
| ServiceWorkerLogsDatabase#SWHealthLog | youtube.com | Persistent | For the implementation and functionality of YouTube video-content on the website. | Marketing |
| TESTCOOKIESENABLED | youtube.com | 1 day | Used to track user’s interaction with embedded content. | Marketing |
| VISITOR_INFO1_LIVE | youtube.com | 180 days | Tries to estimate the users’ bandwidth on pages with integrated YouTube videos. | Marketing |
| YSC | youtube.com | Session | Registers a unique ID to keep statistics of what videos from YouTube the user has seen. | Marketing |
| YtIdbMeta#databases | youtube.com | Persistent | Used to track user’s interaction with embedded content. | Marketing |
| yt-remote-cast-available | youtube.com | Session | Stores the user’s video player preferences using embedded YouTube video. | Marketing |
| yt-remote-cast-installed | youtube.com | Session | Stores the user’s video player preferences using embedded YouTube video. | Marketing |
| yt-remote-connected-devices | youtube.com | Persistent | Stores the user’s video player preferences using embedded YouTube video. | Marketing |
| yt-remote-device-id | youtube.com | Persistent | Stores the user’s video player preferences using embedded YouTube video. | Marketing |
| yt-remote-fast-check-period | youtube.com | Session | Stores the user’s video player preferences using embedded YouTube video. | Marketing |
| yt-remote-session-app | youtube.com | Session | Stores the user’s video player preferences using embedded YouTube video. | Marketing |
| yt-remote-session-name | youtube.com | Session | Stores the user’s video player preferences using embedded YouTube video. | Marketing |
| ServiceWorkerLogsDatabase#SWHealthLog | youtube.com | Persistent | Necessary for the implementation and functionality of YouTube video-content on the website. | Marketing |
For more information about how our partners and service providers listed above are managing those cookies, please refer to:
- HubSpot:
- Google / YouTube: https://policies.google.com/technologies/cookies
- Cloudflare: https://developers.cloudflare.com/fundamentals/reference/policies-compliances/cloudflare-cookies/
Our approach to tracking after you leave our website
CACI does not use its own cookies to monitor or track your general browsing activity after you leave our website. Any cookies we place support the operation, security, performance and measurement of our website and services.
Where you accept third-party cookies, those relevant third parties may collect information in line with their own cookie and privacy notices. CACI does not control those third-party technologies and is not responsible for how those third parties use the information they collect through their own technologies.
Some secure online services that you enable or subscribe to may require strictly necessary cookies to help authenticate users, maintain security, store information about you and your preferences and help prevent unauthorised access . If you disable strictly necessary cookies, we may not be able to provide those services securely and parts of the services may not function.
If you have any questions about this policy or how CACI processes your information please contact our Data Protection Officer (DPO@caci.co.uk).