People passing photos of the three supreme leaders and a display featuring a Donald Trump impersonator behind bars in Tehran, on Thursday.

Prime Minister Benjamin Netanyahu of Israel speaking to supporters at a mall in Holon, Israel, this month.

Security stationed outside the U.S. embassy in Baghdad’s fortified Green Zone in March.

The Christian church where the shooting took place in Hamoud, Jordan, on Friday.

Police officers investigating at the site of a shooting in Trappes, in the Paris suburbs, on Friday.

Houthi supporters chanting slogans and holding pictures of Abdul Malik al-Houthi, the Houthi leader, in Sanaa, Yemen.

A programmer in Guernica, Spain, on Thursday, working on PHP code, software used throughout the internet.

Prime Minister Rob Jetten of the Netherlands in Brussels last week. He said that his cabinet was closely monitoring the online vulnerability caused by a security flaw in PHP.

The website for the French government was temporarily unavailable on Wednesday amid hacking concerns stemming from major bugs in a piece of software used widely across the internet.

A B‑1B Lancer bomber at the R.A.F. Fairford air base in Fairford, Gloucestershire, England, last month.

Defense Secretary Pete Hegseth at an event in Maryland this month. Details of the conversations between Mr. Hegseth and his Israeli counterparts were not immediately clear.

Tamar Smulowicz, an Israeli citizen, moved to the United Arab Emirates after the two countries normalized relations. But regional wars and domestic threats are testing a sense of safety for Israelis and Jews.

President Abdel Fattah el-Sisi of Egypt in Jakarta last week. The National Defense Council, which Mr. el-Sisi leads, said Egypt would provide support to defend Saudi Arabia.

Saudi Arabia’s capital, Riyadh, has been rocked by Houthi attacks in recent weeks that have forced the authorities to close the city’s main international airport.

President Trump during a campaign stop in Alaska on Tuesday. He has not delivered on his promises to end the war in Ukraine, or to lower prices, and recent deals with Russia could complicate both issues.

A military parade marked Saudi National Day in Riyadh last month.

Mourners carrying the body of Mahmoud Barqawi, 33, at his funeral in Amman, Jordan, on Monday. He was killed in a Houthi missile attack on King Khalid International Airport in Riyadh on Saturday.

Japan has been hit by a wave of cyberattacks that have affected businesses and government.

President Vladimir V. Putin of Russia in Moscow this month.

Iran’s foreign minister, Abbas Araghchi, in Tehran earlier this month.

Ashdod, Israel, last week.

Crown Prince Mohammed bin Salman of Saudi Arabia in Paris in August. Houthi strikes on the Saudi capital, Riyadh, have cast a shadow on his efforts to transform the kingdom into a global hub for business and tourism.

A sign at the entrance to Yorkshire Wildlife Park in Doncaster, England, on Saturday.

CrowdStrike, a cybersecurity firm, said in a report on Wednesday that it had found evidence of the use of A.I. in the attacks.

A poster showing the Houthi leader Abdul-Malik al-Houthi during a rally to recruit more fighters, in Sanaa, Yemen, on Wednesday.

Shahul Hamid Ahmad, the owner of Tefcas Marine, a small shipping agency that was hit with U.S. sanctions, standing in his empty office in Johor Bahru, Malaysia, in September.

President Trump at a campaign rally in Grand Island, Neb., on Monday.

Hana Bank was one of several financial institutions in South Korea affected by recent cyberattacks.

Inspecting melted foam in a factory after a strike in Sanaa, Yemen, on Sunday. Houthi-affiliated media blamed Saudi Arabia for the attack.

People shopping in a bazaar in Tehran in July. Iran’s currency has plunged since the war began.

A police roadblock near the R.A.F. Fairford air base. Prime Minister Andy Burnham of Britain said on Wednesday that there were “strong indications that Iran played a part” in the previous weekend’s events there.

A B-1 bomber at R.A.F. Fairford in Britain taking off on Sunday. All 12 B-1s were moved from the base in a highly unusual withdrawal.

A roadblock outside R.A.F. Fairford base in England on Sept. 27, as the counterterrorism police investigated a murky plot.

Flames at a facility belonging to the Saudi oil giant Aramco, south of Riyadh on Saturday.

Tai Tam, a 52-foot yacht, sinking in the South Pacific as the four people who had been on board await rescuing from their life raft.

An airport in Najaf, Iraq, last month. Flights will be allowed to resume between the holy city and Iran, according to Iraq’s prime minister.

A pro-government rally in Tehran in April.

A FlyDubai plane carrying Israeli passengers who had earlier been aboard another FlyDubai aircraft that made an emergency landing in Saudi Arabia approaches Ben Gurion International Airport near Tel Aviv on Wednesday.

Ships in the Persian Gulf, near the Strait of Hormuz, in July. Oil exports from the Middle East have rebounded in recent weeks.

A passenger raises his arms in relief as he walks through the domestic arrivals doors with his dog and luggage at Ben Gurion Airport near Tel Aviv on Wednesday.

Workers unloading produce in Manila, where soaring global diesel prices are driving up transport costs and pushing everyday food prices out of reach for consumers.

A giant Iraqi flag hung from the Great Mosque of al-Nuri in Mosul’s old city on Tuesday. With the end of Operation Inherent Resolve, the last of the 2,500 U.S. forces stationed in Iraq this year are now gone.

A police officer at a roadblock near R.A.F. Fairford air base, possibly the target of an attack plot, in Fairford, Gloucestershire, England, on Tuesday.

Police officers outside the Fairford Youth Football Club near the R.A.F. Fairford base in England on Sunday. The counterterrorism police said they were investigating a possible terrorist plot targeting the base.

Police officers guarded an area on Tuesday as roadblocks remained in place near R.A.F. Fairford air base.

Armed police officers stand guard on a road outside the perimeter of R.A.F. Fairford air base in southern England on Monday.