TSN blog
TSN Blog
Why requests from would-be whistleblowers are surging
By Sandrine Rastello In 2025, The Signals Network noticed a sharp increase in the number of people asking for help, a trend that only got stronger in the first [...]
Deciding to Blow the Whistle — A TSN Conversation With Tyler Shultz
By talking to a Wall Street Journal reporter about the deceptions and lies he witnessed at Theranos, Tyler Shultz helped expose the celebrated blood-testing startup as one of the biggest [...]
Whistleblowers, Stop Talking to Generative AI Chatbots
The enthusiastic adoption of generative AI has prompted users to share more with chatbots than they probably should. What happens to these conversations is uncertain at best. For whistleblowers, [...]
TSN joins partner organizations in pushing the SEC to accept more whistleblower filings, including those without legal counsel’s support and shared with the press
By Zeke Rogers, Legal Fellow at TSNOver a decade ago, Congress passed the Dodd-Frank Act to prevent another financial crisis from happening after 2008. One such mechanism was the whistleblower [...]
This is a wake up call. Or what 220 calls in 2026 already mean?
There is a moment when a number stops being a statistic and starts being a signal. For us at The Signals Network, that moment came when we looked at [...]
What the War in Iran Reminds us About Whistleblowing — TSN Conversations
By Sandrine Rastello Earlier this month, the Financial Times used a striking line to describe the conflict in Iran: “A war fought in the digital age but shrouded in [...]
TSN Newsletters
Awareness & More People Speaking Up
PTSD Awareness Month and World Whistleblower Day June marked PTSD Awareness Month and on June 23 we also observed World Whistleblower Day. Many whistleblowers The Signals Network has worked [...]
Whistleblowers, Stop Using AI Chatbots
Whistleblowers, Stop Talking to Generative AI Chatbots TSN’s Executive Director, Delphine Halgand-Mishra, recently wrote a piece on the risks of using generative AI chatbots to discuss sensitive information. As [...]
Big numbers. Bigger stakes.
TSN 2025 Impact report We are excited to share our 2025 Impact Report, a look at the progress we have made last year supporting whistleblowers who brought critical public [...]
From Iran surveillance to LA fires — TSN fights
Eyes of Iran: Russian facial-recognition technology used in Iran The Signals Network is proud to support the investigative project Eyes of Iran which reveals the secret Russian facial-recognition technology Teheran uses [...]
Whistleblowers & AI: What to Know
Why Whistleblowers Should be Wary of AI — TSN Conversations. How do sensitive sources get affected by AI? Our recent Q&A with Dave Jochnowitz, Partner & Co-Chair of the Outten [...]
2025: A Year of Growing Need and Real Impact for TSN
Looking back, 2025 was a year of growing need, tough challenges and real impact. Last year, we received 556 requests for support, a 268% increase compared to 2024 and [...]
