PlayCISO Leaderboards
Every public board on the site. People appear only when they choose to, under a codename or a handle they picked; emails are never shown.
CISO Scorecard Leaderboard
Best results on the 10-question CISO Readiness Scorecard, with readiness level and weakest domain. Opt-in, confirmed by email, codenames by default.
No one listed yet. Take the scorecard and set the first score.
See the board →Monthly + yearly top 10Challenge Ladder
One server-scored security-leadership challenge a month (now: Challenge of the Month — October 2026). Players who choose a handle and opt in are ranked by best score.
No ranked players this month yet.
Climb the ladder →Weekly boardThe Cut: Weekly Budget Siege
Cut $4M from a security budget, survive a year of incidents, and get a server-graded CISO Score out of 1000. The board resets each week.
Nobody has survived this week yet.
Play this week’s board →Pareto board per scenarioAI Systems Challenges
Tune a model-serving stack for latency, cost, throughput and quality against each scenario’s SLOs. Opted-in players are ranked on a public Pareto board.
Open the challenges →Ranks servers, not peopleMCP Server Security Explorer
Public MCP servers ranked by security score and grade from automated scans, with category-level findings.
Browse the explorer →