Teachers of a bombed-out school make last checks for online classes on computers before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Teachers of a bombed-out school make last checks for online classes on computers before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Children fleeing Russia's invasion of Ukraine use computers at their temporary housing in Odesa, Ukraine, April 11, 2022. REUTERS/Igor Tkachenko 

Ukrainian IT manager Andrew works at his computer after an interview with Reuters, amid the ongoing Russian invasion of Ukraine, in Odesa, Ukraine April 6, 2022. Picture taken April 6, 2022. REUTERS/Ueslei Marcelino 

Ukrainian IT manager Andrew works at his computer after an interview with Reuters, amid the ongoing Russian invasion of Ukraine, in Odesa, Ukraine April 6, 2022. Picture taken April 6, 2022. REUTERS/Ueslei Marcelino 

Ukrainian IT manager Andrew works at his computer after an interview with Reuters, amid the ongoing Russian invasion of Ukraine, in Odesa, Ukraine April 6, 2022. Picture taken April 6, 2022. REUTERS/Ueslei Marcelino 

Ukrainian IT manager Andrew works at his computer after an interview to Reuters, amid the ongoing Russian invasion of Ukraine, in Odesa, Ukraine April 6, 2022. Picture taken April 6, 2022. REUTERS/Ueslei Marcelino 

Ukrainian IT manager Andrew works at his computer after an interview to Reuters, amid the ongoing Russian invasion of Ukraine, in Odesa, Ukraine April 6, 2022. Picture taken April 6, 2022. REUTERS/Ueslei Marcelino 

Ukrainian IT manager Andrew works at his computer after an interview with Reuters, amid the ongoing Russian invasion of Ukraine, in Odesa, Ukraine April 6, 2022. Picture taken April 6, 2022. REUTERS/Ueslei Marcelino 

A computer guidance system with Farsi keyboard that the U.S. Department of Defense says was built in Iran and that the Pentagon says is designed to guide bomb laden attack boats to their targets is seen on display at a military base in Washington, U.S., December 13, 2017. Picture taken December 13, 2017. REUTERS/Jim Bourg 

Cables and computers are seen inside a data centre at an office in the heart of the financial district in London, Britain May 15, 2017. REUTERS/Dylan Martinez 

Cables and computers are seen inside a data centre at an office in the heart of the financial district in London, Britain May 15, 2017. REUTERS/Dylan Martinez 

A computer screen shows Aleppo's destruction projected on a Berlin map, in the office of data visualiser Hans Hack in Berlin, Germany, May 3, 2017. Picture taken May 3, 2017. REUTERS/Fabrizio Bensch 

Data visualiser Hans Hack points to a computer screen showing Aleppo's destruction projected on a London map, in Berlin, Germany May 3, 2017. Picture taken May 3, 2017. REUTERS/Fabrizio Bensch 

Data visualiser Hans Hack poses at his desk in front of a computer screen showing Aleppo's destruction projected on a Berlin map, in Berlin, Germany May 3, 2017. Picture taken May 3, 2017. REUTERS/Fabrizio Bensch 

Syrian refugee children play computer games at Zaatari refugee camp near the border with Syria, in Mafraq, Jordan October 15, 2016. REUTERS/Ammar Awad SEARCH "ZAATARI LIFE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.? 

Second Lieutenant Roshan Gul, 22 (L), First Lieutenant Nelofar Frotan, 23 (C), and Second Lieutenant Morsal Afshar, 22 (R), work at the human resources office in the Ministry of Defence in Kabul, Afghanistan October 31, 2016. REUTERS/Mohammad Ismail SEARCH "KABUL TRAINING" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES. 

An American soldier takes a selfie at the U.S. army base in Qayyara, south of Mosul October 25, 2016. REUTERS/Alaa Al-Marjani 

A Syria Democratic Forces leader (R) uses a walkie talkie and a tablet to communicate with the U.S. alliance operation room on the outskirts of al-Shadadi town, Hasaka countryside, Syria February 19, 2016. REUTERS/Rodi Said TPX IMAGES OF THE DAY

A man types on a keyboard in front of a computer screen on which an Islamic State flag is displayed, in this picture illustration taken in Zenica, Bosnia and Herzegovina, February 6, 2016. Twitter Inc has shut down more than 125,000 terrorism-related accounts since the middle of 2015, most of them linked to the Islamic State group, the company said in a blog post on Friday. REUTERS/Dado Ruvic 

A 3D-printed Twitter logo is seen on a keyboard in front of a computer screen on which an Islamic State flag is displayed, in this picture illustration taken in Zenica, Bosnia and Herzegovina, February 6, 2016. Twitter Inc has shut down more than 125,000 terrorism-related accounts since the middle of 2015, most of them linked to the Islamic State group, the company said in a blog post on Friday. REUTERS/Dado Ruvic 

A 3D-printed Twitter logo is seen in front of a computer screen on which an Islamic State flag is displayed, in this picture illustration taken in Zenica, Bosnia and Herzegovina, February 6, 2016. Twitter Inc has shut down more than 125,000 terrorism-related accounts since the middle of 2015, most of them linked to the Islamic State group, the company said in a blog post on Friday. REUTERS/Dado Ruvic 

A 3D-printed Twitter logo is seen in front of a computer screen on which an Islamic State flag is displayed, in this picture illustration taken in Zenica, Bosnia and Herzegovina, February 6, 2016. Twitter Inc has shut down more than 125,000 terrorism-related accounts since the middle of 2015, most of them linked to the Islamic State group, the company said in a blog post on Friday. REUTERS/Dado Ruvic TPX IMAGES OF THE DAY

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Jorge Silva 

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Jorge Silva 

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Jorge Silva 

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Jorge Silva 

Thai police spokesman Prawut Thawornsiri shows a sketch of a suspect believed to be involved in the recent Bangkok blast at the Royal Thai Police headquarters in Bangkok, Thailand, September 1, 2015. Thai police have issued arrest warrants for three more foreign male suspects, Prawut said. REUTERS/Chaiwat Subprasom TPX IMAGES OF THE DAY

A couple looks at a computer graphic video, using projection-mapping technology, beamed on the Urakami Cathedral, which was destroyed by the atomic bombing of Nagasaki on August 9, 1945 and rebuilt in 1959, in Nagasaki, western Japan, August 8, 2015, on the eve of the 70th anniversary of the bombing of Nagasaki. Japan will mark on Sunday the 70th anniversary of the attack on Nagasaki, where the U.S. dropped a second atomic bomb on August 9, 1945, which killed about 40,000 instantly. REUTERS/Toru Hanai 

People look at a computer graphic video, using projection-mapping technology, beamed on the Urakami Cathedral, which was destroyed by the atomic bombing of Nagasaki on August 9, 1945 and rebuilt in 1959, in Nagasaki, western Japan, August 8, 2015, on the eve of the 70th anniversary of the bombing of Nagasaki. Japan will mark on Sunday the 70th anniversary of the attack on Nagasaki, where the U.S. dropped a second atomic bomb on August 9, 1945, which killed about 40,000 instantly. REUTERS/Toru Hanai 

People look at a computer graphic video, using projection-mapping technology, beamed on the Urakami Cathedral, which was destroyed by the atomic bombing of Nagasaki on August 9, 1945 and rebuilt in 1959, in Nagasaki, western Japan, August 8, 2015, on the eve of the 70th anniversary of the bombing of Nagasaki. Japan will mark on Sunday the 70th anniversary of the attack on Nagasaki, where the U.S. dropped a second atomic bomb on August 9, 1945, which killed about 40,000 instantly. REUTERS/Toru Hanai 

Computer graphic video of the mushroom cloud of the atomic bomb blast, using projection-mapping technology, are beamed on the Urakami Cathedral, which was destroyed by the atomic bombing of Nagasaki on August 9, 1945 and rebuilt in 1959, in Nagasaki, western Japan, August 8, 2015, on the eve of the 70th anniversary of the bombing of Nagasaki. Japan will mark on Sunday the 70th anniversary of the attack on Nagasaki, where the U.S. dropped a second atomic bomb on August 9, 1945, which killed about 40,000 instantly. REUTERS/Toru Hanai 

A computer graphic video of the Nagasaki-type atomic bomb named "Fat Man", using projection-mapping technology, are beamed on the Urakami Cathedral, which was destroyed by the atomic bombing of Nagasaki on August 9, 1945 and rebuilt in 1959, in Nagasaki, western Japan, August 8, 2015, on the eve of the 70th anniversary of the bombing of Nagasaki. Japan will mark on Sunday the 70th anniversary of the attack on Nagasaki, where the U.S. dropped a second atomic bomb on August 9, 1945, which killed about 40,000 instantly. REUTERS/Toru Hanai 

MSgt Steven Bennett (L), NCOIC of the Boundary Workshop and SSgt Michael James talk the 561st Network Operations Squadron (NOS), at Petersen Air Force Base in Colorado Springs, Colorado July 20, 2015. The 561st NOS executes defensive cyber operations in response to U.S. Cyber Command orders and intelligence based threats. REUTERS/Rick Wilking

A U.S. Air Force airman works at the 561st Network Operations Squadron (NOS) under the data wall with screens blanked during a reporter's visit at Petersen Air Force Base in Colorado Springs, Colorado July 20, 2015. The 561st NOS executes defensive cyber operations in response to U.S. Cyber Command orders and intelligence based threats. REUTERS/Rick Wilking TPX IMAGES OF THE DAY

Shigeo Ito, an 84-year-old an atomic bomb survivor, displays a 1944 family photo on a laptop computer that shows his late sister Yuki (rear, 3rd L), who was killed by the bomb, as he demostrates sharing the experience of being witness to the horrors of atomic bombs to young people, at an exhibition about the 1945 atomic bombings in Higashihiroshima, western Japan, March 27, 2015. As the 70th anniversary of the world's first nuclear attack nears, many survivors still find it too painful to talk about. But with their ranks dwindling, others are determined to pass on their experiences to younger generations. A U.S. bomber dropped the atomic bomb on Hiroshima on August 6, 1945, killing about 140,000 by the end of the year, out of the 350,000 who lived in the city. The city still has some 60,000 survivors but their average age is approaching 80. Picture taken March 27, 2015. REUTERS/Issei Kato TPX IMAGES OF THE DAY

Rebel fighters work on a computer to determine their target points ahead of an offensive against forces loyal to Syria's President Bashar al-Assad at the frontline of Idlib city in northern Syria March 23, 2015. Picture taken March 23, 2015. REUTERS/Khalil Ashawi TPX IMAGES OF THE DAY

The playground and garden on an estate are seen in West London, February 26, 2015. Local media reported that Mohammed Emwazi used to live nearby. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT POLITICS) 

A performs a wheelie on a bicycle on an estate is seen in West London, February 26, 2015. Local media reported that Mohammed Emwazi used to live nearby. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT POLITICS) 

The playground on an estate is seen in West London, February 26, 2015. Local media reported that Mohammed Emwazi used to live nearby. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT POLITICS TPX IMAGES OF THE DAY) 

The playground on an estate is seen in West London, February 26, 2015. Local media reported that Mohammed Emwazi used to live nearby. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT POLITICS) 

The BT telecommunications tower stands behind a University of Westminster campus building in central London, February 26, 2015. Mohammed Emwazi studied computer science at Westminster University. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post.REUTERS/Toby Melville (BRITAIN - Tags: CIVIL UNREST POLITICS EDUCATION CONFLICT) 

People walk in and out of a University of Westminster campus building in central London, February 26, 2015. Mohammed Emwazi studied computer science at Westminster University. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post.REUTERS/Toby Melville (BRITAIN - Tags: CIVIL UNREST POLITICS EDUCATION CONFLICT) 

A man walks past a University of Westminster campus building in central London, February 26, 2015. Mohammed Emwazi studied computer science at Westminster University. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post.REUTERS/Toby Melville (BRITAIN - Tags: CIVIL UNREST POLITICS EDUCATION CONFLICT) 

A flat is seen through railings in west London February 26, 2015. Local media reported that the flat is the former home of Mohammed Emwazi. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT) 

The front door of a flat is seen in west London February 26, 2015. Local media reported that the flat is the former home of Mohammed Emwazi. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT) 

The path to a flat in is seen in west London February 26, 2015. Local media reported that the flat is the former home of Mohammed Emwazi. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT) 

A police officer walks past a flat in London February 26, 2015. Local media reported that the flat is the former home of Mohammed Emwazi. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT) 

Two police officers walk outside a flat in London February 26, 2015. Local media reported that the flat is the former home of Mohammed Emwazi. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT TPX IMAGES OF THE DAY) 

A doormat lies outside the entrance of a flat in London February 26, 2015. Local media reported that the flat is the former home of Mohammed Emwazi. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT TPX IMAGES OF THE DAY) 

Media stand outside a flat in London February 26, 2015. Local media reported that the flat is the former home of Mohammed Emwazi. Investigators believe that the "Jihadi John" masked fighter who fronted Islamic State beheading videos is a British man named Mohammed Emwazi, two U.S. government sources said on Thursday. He was born in Kuwait and comes from a prosperous family in London, where he grew up and graduated with a computer programming degree, according to the Washington Post. REUTERS/Stefan Wermuth (BRITAIN - Tags: CRIME LAW CONFLICT) 

Department of Homeland Security workers at the National Cybersecurity and Communications Integration Center in Arlington, Virginia, January 13, 2015. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS SCIENCE TECHNOLOGY CRIME LAW MILITARY) 

A Department of Homeland Security worker listens to U.S. President Barack Obama talk at the National Cybersecurity and Communications Integration Center in Arlington, Virginia, January 13, 2015. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS SCIENCE TECHNOLOGY CRIME LAW MILITARY) 

A computer screenshot shows the U.S. Central Command Twitter feed after it was apparently hacked by people claiming to be Islamic State sympathizers January 12, 2015. The hackers published apparent intelligence material and what they said were names and addresses of military personnel. REUTERS/Staff (UNITED STATES - Tags: MILITARY CRIME LAW POLITICS) 

Youths play first-person shooter games inside an internet cafe in Aleppo January 9, 2015. REUTERS/Hosam Katan (SYRIA - Tags: SOCIETY CIVIL UNREST CONFLICT) 

A youth holds a mobile phone bearing a sign that reads, "I am Charlie" during a vigil to pay tribute to the victims of a shooting by gunmen at the offices of weekly satirical magazine Charlie Hebdo in Paris, at Trafalgar Square in London January 7, 2015. Hooded gunmen stormed the Paris offices of the weekly satirical magazine known for lampooning Islam and other religions, shooting dead at least 12 people, including two police officers, in the worst militant attack on French soil in decades. REUTERS/Stefan Wermuth (BRITAIN - Tags: POLITICS CRIME LAW CIVIL UNREST MEDIA) 

Free Syrian Army fighters use an iPad as they prepare to launch a weapon toward the forces of Syria's President Bashar al-Assad in Ain Tarma, in Eastern Ghouta, a suburb of Damascus January 3, 2015. REUTERS/Msallam Abd Albaset (SYRIA - Tags: POLITICS CIVIL UNREST CONFLICT) 

People pose in front of a display showing the word 'cyber' in binary code, in this picture illustration taken in Zenica December 27, 2014. A previously undisclosed hacking campaign against military targets in Israel and Europe is probably backed by a country that misused security-testing software to cover its tracks and enhance its capability, researchers said. Picture taken December 27, 2014. REUTERS/Dado Ruvic (BOSNIA AND HERZEGOVINA - Tags: SCIENCE TECHNOLOGY CRIME LAW) 

A man takes a photo of a truck carrying part of a wing from Malaysia Airlines flight MH17 in Donetsk downtown, the territory controlled by the self-proclaimed Donetsk People's Republic, eastern Ukraine, November 21, 2014. REUTERS/Antonio Bronic (UKRAINE - Tags: CIVIL UNREST TRANSPORT CONFLICT) 

Displaced Iraqi children, who fled from the violence in Mosul by the Islamic State (IS), play console games at Baherka refugee camp in Erbil September 11, 2014. REUTERS/Ahmed Jadallah (IRAQ - Tags: CIVIL UNREST CONFLICT POLITICS SOCIETY IMMIGRATION EDUCATION)