If you need a graphic for the point that leaking improves security – secrecy weakens it, consider this one:
Ask your audience:
Prior to the Shadow Brokers leak of the NSA’s DoublePulsar Malware, how many people were researching a counter to it?
Same question, but substitute: After the Shadow Brokers leak ….
As the headline says: Leaking Improves Security – Secrecy Weakens It.
Image originates from: Over 36,000 Computers Infected with NSA’s DoublePulsar Malware by Catalin Cimpanu.
Anyone who suggests otherwise wants you and others to be insecure.