Edition · Friday, 22 May 2026
What happened, the forces beneath it, why it matters — then your turn.
01 · Briefing · what happened
The World, Explained
## Ukraine seizes the initiative — and Russia threatens to hit back Three things happened on the Ukraine battlefield this week that, taken together, mark a genuine shift in momentum. **Ukrainian drones struck two Russian oil refineries deep…
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02 · Lesson · why it matters
Estonian Prime Minister Michal: We are facing increasing cyberattacks from Russia - CNN
Estonia's Prime Minister discussing increased Russian cyberattacks touches ordinary people's days through the internet infrastructure they rely on. We can teach how cyberattacks actually work—what happens when a nation-state targets another country's digital systems, what makes critical infrastructure vulnerable, and how defensive cybersecurity operates in practice.
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03 · Lab · your turn
Persistent Access Over Immediate Damage
Sophisticated attackers prioritize staying inside a target system undetected over causing immediate visible harm—long-term invisible control lets them choose when to disrupt, gather intelligence continuously, and complicate defensive response.
Rehearse the decision