The Undeclared War (2022)

S1E1 Episode 1

On her first day as an intern at GCHQ, a significant cyberattack strikes the UK. Determined to impress her bosses and earn their confidence, she takes the bold step of delving into the malware code without authorization. In her investigation, she discovers a looming danger that has evaded the attention of her colleagues, revealing a more substantial threat than initially perceived.