The Undeclared War
Peter Kosminsky's Channel 4 / Peacock six-episode drama about a young GCHQ analyst (Hannah Khalique-Brown) facing a Russian cyber operation against UK infrastructure during a 2024 election cycle.
- Creators
- Peter Kosminsky
- Years
- 2022–2022
- Seasons
- 1 season
- Episodes
- 6 episodes
- Status
- Ended
- Language
- English
Available on
Watch this if
Viewers who want the most operationally credible UK cyber drama yet made. Kosminsky consulted extensively with GCHQ-adjacent advisors and the technical sequences (a malware-analysis arc carried by a junior analyst) are the most accurate any TV drama has attempted.
Skip this if
Viewers wanting fast pacing or simple antagonists. The show is deliberately slow and resists simplifying its threat model. The political subplot was praised for plausibility on broadcast and has since become more, not less, contemporary.
Key takeaways
- The reverse-engineering sequences — Hannah literally reading disassembly on screen — are real code from a sample Kosminsky's advisors helped build, and are the closest TV has come to depicting analytic work honestly.
- The show's treatment of the political response (election interference, party leadership panic) is more credible than most cyber drama and was specifically validated by post-broadcast events.
- The asymmetric ending — no clean victory, ongoing campaign — is the show's most honest creative choice and the part that distinguishes it from American cyber-drama instincts.
Notes
Pair with Mr. Robot for the prestige cyber-drama context and with Sandworm (Greenberg) for the real GRU campaigns the show fictionalizes from. The accompanying Channel 4 documentary on Kosminsky's research is worth seeking out. Best six-episode commitment in the genre to date; treat as essential viewing for anyone who briefs leadership on cyber strategy.