---
title: "prj_3902 - WP 2 Private Capture the Flag Evaluations"
ocid: "ocds-b5fd17-20b55ba9-0cfd-4f3b-bb40-d5854d9e4f37"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-20b55ba9-0cfd-4f3b-bb40-d5854d9e4f37"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-20b55ba9-0cfd-4f3b-bb40-d5854d9e4f37.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-20b55ba9-0cfd-4f3b-bb40-d5854d9e4f37.json"
source: "Contracts Finder"
current_stage: "Award"
buyer: "DSIT"
published: "2025-10-02"
---

# prj_3902 - WP 2 Private Capture the Flag Evaluations

Buyer: DSIT  
Current stage: Award  
OCID: ocds-b5fd17-20b55ba9-0cfd-4f3b-bb40-d5854d9e4f37

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## Summary

The Department for Science, Innovation and Technology (DSIT) has recently completed the procurement process for a project entitled "prj_3902 - WP 2 Private Capture the Flag Evaluations." The contract, classified under the surveillance system industry category, aims to design and build Capture the Flag (CTF) evaluations to test AI models’ capabilities in executing cyber-attacks. This contract, valued at £545,000, was awarded to Rethinks Priorities. The procurement process was conducted through a selective method, specifically a call-off from a dynamic purchasing system. The contract commenced on 3rd December 2024 and is set to conclude on 30th September 2025, with services required across various locations, including the British Oversea Territories, Channel Islands, and the United Kingdom.

This project presents significant opportunities for businesses involved in AI and cybersecurity, particularly those capable of designing complex evaluation systems. Small and medium enterprises, as well as voluntary, community and social enterprises, are encouraged to engage with such tenders, as DSIT values their participation. Companies specialising in AI model evaluation and attack simulations would find this project particularly fitting, enabling them to showcase their advanced capabilities while contributing to the enhancement of cybersecurity strategies. Engaging in such contracts not only provides substantial financial prospects but also enhances reputation and expertise in the burgeoning field of AI-based cybersecurity.

## Notice

Capture the Flag Evaluations are a useful automated method of testing AI models' capabilities in executing cyber-attacks. The team requires the design and building of CTF evaluations that specifically assess the individual capabilities an AI-model would need to exhibit to conduct an offensive cyber-attack

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/0468b10c-a01c-41d7-a939-7dea31c20531 |
| Notice type | Award Notice |
| Procurement type | Dynamic |
| Procurement category | Services |
| Procurement method | Selective |
| Procurement method details | Call-off from a dynamic purchasing system |
| Tender suitability | SME, VCSE |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 2 Oct 2025 |
| Submission deadline | 22 Aug 2024 |
| Future notice date | Not specified |
| Award date | 3 Dec 2024 |
| Contract period | 3 Dec 2024 - 30 Sep 2025 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £545,000 |
| Lots value | Not specified |
| Awards value | £545,000 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | DSIT |
| Locality | LONDON |
| Post town | South West London |
| Postcode | SW1A 2EG |
| Country | England |
| ITL 1 | TLI London |
| ITL 2 | TLI3 Inner London - West |
| ITL 3 | TLI35 Westminster and City of London |
| Local authority | Westminster |
| Electoral ward | St James's |
| Westminster constituency | Cities of London and Westminster |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | RETHINKS PRIORITIES |

## CPV Codes

### Divisions

- 35 - Security, fire-fighting, police and defence equipment

### Codes

- 35125000 - Surveillance system

## Release History

- 2 Oct 2025 at 14:15 - Award - Award Notice - https://www.contractsfinder.service.gov.uk/Notice/0468b10c-a01c-41d7-a939-7dea31c20531

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/0468b10c-a01c-41d7-a939-7dea31c20531
  2nd October 2025 - Awarded contract notice on Contracts Finder
- https://www.contractsfinder.service.gov.uk/Notice/Attachment/a10d1051-e20d-4bc9-b788-1c3f22160c62
  n/a

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-20b55ba9-0cfd-4f3b-bb40-d5854d9e4f37. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-20b55ba9-0cfd-4f3b-bb40-d5854d9e4f37.json.