The Cipher Brief

Remembering the Americans Who Made Ukraine’s War Their Own

There is no official count of how many Americans have died helping to defend Ukraine but the community feels every death just the same

This Memorial Day, The Cipher Brief is remembering the Americans who answered the call after Russia launched its unprovoked, deadly invasion of [...] More

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Cipher Brief Experts bring context to today’s global events

The Bear and the Dragon: The Threat of Sino-Russian Opportunism and Intelligence Miscalculation

KREMLIN FILES/COLUMN: As Washington's attention continues to be diverted with an Iran unwilling to come to a comprehensive peace, a more dangerous [...] More

DHS Has Become Central to American Strategy, But Its Strategy Has Not Caught Up

DHS Has Become Central to American Strategy, But Its Strategy Has Not Caught Up

A generation after 9/11, the homeland has returned to the center of American national security strategy. The 2025 National Security Strategy, the [...] More

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CHIPS ARE DOWN AS U.S. SPY AGENCIES ARE HUNGRY FOR MORE: America’s intelligence agencies are reportedly struggling to run cutting-edge AI tools because they can’t get enough advanced chips to power them, a shortage the White House reportedly addressed last week by approving a classified $9 billion request for new computing infrastructure, according to The New York Times. In the meantime, the NSA has reportedly been authorized to continue using an AI model made by Anthropic, a company the Pentagon has officially designated a ‘supply chain risk.’ A classified contract is reportedly being finalized - interestingly, it’s a [...] More

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State Secrets

Former Australian Signals Directorate Director-General Rachel Noble joins State Secrets with Suzanne Kelly for a rare insider’s look at the cyber battles shaping modern national security. From China’s targeting of critical infrastructure to Russia, Iran, AI-enabled threats, offensive cyber operations and the power of the Five Eyes alliance, Noble explains why the next conflict may already be underway - inside our networks.

In this episode:

Why the Australian Signals Directorate is one of the Five Eyes’ most important cyber and intelligence partners
How China is pre-positioning inside critical infrastructure and telecommunications networks
Why cyber criminals and state-backed actors are increasingly blurring together
What Russia, Iran and China are teaching the world about cyber conflict
How AI is accelerating both cyber defense and cyber offense
Why private sector companies may now be the first line of defense in modern conflict
What citizens can do to strengthen national cyber resilience
Why intelligence agencies need to better explain their mission to the public

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