Just days after his campaign says it was attacked by Iranian hackers, GOP presidential hopeful Donald Trump on Monday night saw his widely anticipated interview with X owner Elon Musk nearly derailed by an apparent denial-of-service attack targeting the social messaging site. Mr. Musk confirmed the incident on his own social media accounts and said his company worked frantically behind the scenes to stop the attack.

The Trump-Musk interview did eventually take place after a lengthy delay.

But the incident underscored that there now appears to be a regular string of cyberattacks aimed at Mr. Trump and his campaign. The FBI confirmed Monday it is investigating allegations that sensitive documents were stolen from the Trump campaign. The Trump team so far hasn’t produced hard evidence of Iranian involvement, but the alleged Saturday hack came just a day after Microsoft warned that Iranian hackers intended to target the 2024 U.S. election.

All of this comes on top of the physical danger facing Mr. Trump. A month later, there are still unanswered questions swirling around the attempted assassination of the former president at a rally in western Pennsylvania. And in a separate incident, police said that they are searching for a suspect who burglarized a Trump campaign office in Ashburn, Virginia, over the weekend.

One more quick side note on the Trump-Musk interview: It has sparked a beef between the Trump campaign and the European Union.

Ahead of the interview, EU Digital Commissioner Thierry Breton publicly warned against the use of X as a platform for hate speech.

The Trump campaign fired back and accused the EU of “trying to meddle in the U.S. presidential election.”

A veteran spy catcher who helped bring down one of the most notorious Russian spies in American history thinks another mole is still burrowed deep inside the U.S. government. Washington Times reporter Ryan Lovelace has more details from his fascinating interview with Eric O’Neill, who worked as a young FBI investigator to catch infamous FBI turncoat Robert Hanssen.

Mr. O’Neill told The Washington Times that spy operations inside the U.S. government are still a threat.

“There probably is somebody else right now somewhere in a government agency giving up secrets,” Mr. O’Neill said in an interview at the Black Hat USA conference in Las Vegas last week.

Threat Status has previously highlighted new initiatives inside the Pentagon to counter foreign spy networks. As The Times’ Bill Gertz has reported, efforts to employ more aggressive strategic offensive operations, such as the greater targeting of foreign spy services, increased use of double agents and seeking more in-place intelligence defectors, had long been opposed by many intelligence community leaders as too risky and potentially counterproductive for U.S. spying efforts. But faced with mounting 21st-century threats, America’s approach is shifting.

Even the most special relationships have some issues.

London’s head of police is threatening to extradite U.S. citizens and other foreign “keyboard warriors” who violate the U.K.’s restrictive speech laws.

London Metropolitan Police Commissioner Sir Mark Rowley warned that social media users could be charged with incitement, racial hatred and potential terrorist offenses for spreading rumors that helped spark a wave of riots following a deadly July 29 knife attack. The Times’ Matt Delaney has more on the blunt warnings to American citizens.

“We will throw the full force of the law at people,” Commissioner Rowley said. “And whether you’re in this country committing crimes on the streets or committing crimes from further afield online, we will come after you.”

This all stems from false reports that circulated online suggesting that a Muslim asylum seeker stabbed three girls to death and wounded eight others during last month’s attack at a Taylor Swift-themed dance event in Southport, a seaside town about 20 miles north of Liverpool. Police later named Axel Rudakubana, who recently turned 18 years old, as the suspect, saying the teen is a British-born citizen of Rwandan descent described as a Christian. He is facing murder charges.

What was widely seen as a diversion has become the main act as Ukrainian forces push deeper into Russia.

Military Correspondent Mike Glenn has all the details after Ukraine’s top military commander claimed his troops had seized control of a stunning 386 square miles of territory in Russia’s Kursk region. A week earlier, a surprise sortie ranked as the most significant cross-border attack since Moscow invaded Kyiv in 2022. The initial attack flipped the narrative of the 30-month-old war and marked the first foreign invasion of Russian territory since World War II.

Russia launched its own round of counterattacks Tuesday against those Ukrainian forces, as President Vladimir Putin tries to stop the bleeding and regain his footing in a war that has suddenly taken a dramatic turn. Mr. Putin also is using the Ukrainian assaults in Russian territory as a pretext to reject the idea of cease-fire negotiations with Kyiv.

“But what kind of negotiations can we even talk about with people who indiscriminately strike civilians, civilian infrastructure or try to create threats to nuclear power facilities?” Mr. Putin said. “What can we even talk about with them?”

• Aug. 14-16 — Space Warfighting Forum, National Defense Industrial Association

• Aug. 15 — One Year after Camp David: How Durable Are U.S.-Japan-South Korea Trilateral Ties? Hudson Institute

• Aug. 21 — AI and the Evolution of Biological National Security Risks, Center for a New American Security

• Aug. 27 — U.S.-Mexico Relations: Addressing Challenges at the Border, Brookings Institution

• Sept. 3-6 —  Billington CyberSecurity Summit