<p class="p1">Michael Allen speaks with Arnold Sinisalu, former chief of Estonia's Internal Security Service, about Estonia's frontline role in countering Russian espionage and subversion. Arnold describes how Estonia tracks and disrupts Russian intelligence operations, from spy arrests to cyber defense. He also discusses Russia's evolving sabotage tactics across Europe and the ongoing battle against disinformation. </p>

Guardians of the Sky: Frank Kendall

Formerly known as Intelligence Matters, the NatSec Matters podcast features former senior national security officials Michael Allen, Jeremy Bash, and Andrew Shapiro as they interview top leaders in national security, including intelligence officers, military leaders, and policymakers, on the most critical security challenges of our time. Their interviews offer insights into the world's most pressing problems and assess the effectiveness of U.S. policy responses. They also explore the biographies and careers of individuals who have devoted their lives to protecting our nation, offering listeners a rare glimpse into the inner workings of national security decision-making. If you are interested in becoming a sponsor, please email our team at bgs@bgsdc.com.