Skip to content
Search

Latest Stories

Welcome! Log in to stay connected and make the most of your experience.

Input clean

Threat of Terror Attack During Rio Games Low, But Rising

Threat of Terror Attack During Rio Games Low, But Rising

The threat level of an organized Islamic State (also known as ISIS or ISIL) attack during the Olympic Games in Rio de Janeiro, Brazil – which kick off next week – is low, analysts tell The Cipher Brief.

Still, Brazilian authorities have arrested a dozen suspected ISIS sympathizers, who may have been plotting an attack on the Games. Another Brazilian man, of Lebanese descent, was arrested last week, over alleged ties to ISIS. Meanwhile, Brazilian police are investigating a second group of potential would-be terrorists, according to Fox News Latino.

Keep reading...Show less
Access all of The Cipher Brief’s national security-focused expert insight by becoming a Cipher Brief Subscriber+ Member.

Related Articles

Report for Tuesday, July 1, 2025

8:18 America/Chicago Tuesday, July 1 [...] More

Covering the Blaze the World Forgot

BOOK REVIEW: Fuji Fire: Sifting Ashes of a Forgotten U.S. Marine Corps TragedyBy Chas Henry / Potomac BooksReviewed by: Bill HarlowThe Reviewer — [...] More

The Math Behind Trump's $1 Trillion Defense Budget

OPINION — “The President's FY ‘26 [Fiscal Year 2026] National Defense Budget requests $1.01 trillion, which is a 13 percent increase from FY '25 [...] More

The Downward Spiral of Western Counterintelligence

OPINION — Counterintelligence is one of the most vital functions of the intelligence community, helping protect against foreign threats. [...] More

An Urgent Call to Close the Loopholes on Chips and China

EXPERT PERSPECTIVE / OPINION -- The core lessons from the Cold War should guide us as we face the new “Axis of Aggressors” today. First among these, [...] More

Report for Monday, June 30, 2025

8:29 America/Chicago Monday, June 30 [...] More

A Good NATO Summit, Though Russia Won a Round

EXPERT Q&A — NATO leaders convened in The Hague this week for a summit aiming to strengthen the alliance's defenses, with the ever encroaching threat [...] More

NATO Wins Will Have an Impact

CIPHER BRIEF EXPERT Q&A — NATO leaders convened at The Hague this week and agreed to raise the alliance’s defense spending target to 5% GDP, marking [...] More

Dead Drop: June 27

THIS WEEK: SURPRISES, SECRETS AND SPY COCKTAILS: This week’s best collection of national security gossip is filled with surprises, secrets and a [...] More