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American Kate Douglass reclaims 50m freestyle world record
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England defender Spence leaves Spurs for Inter Milan
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Kit confusion disrupts Newcastle friendly against Leverkusen
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Moore double leads Spurs to 3-0 friendly win over Hoffenheim
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Marchand wins first Euros gold as Liebmann breaks 1500m free world record
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Man Utd beaten by former boss Amorim's AC Milan in friendly finale
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Zambia's vote marred by intimidation, counting pause: observers
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Villagers evacuate as Belgium battles record wildfire
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Marchand wins 200m butterfly for first Euros gold
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Despite booming economy, young Moroccans still dream of Europe
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Fernandez booed by Chelsea fans in friendly win over Sociedad
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South Korea president proposes talks with North to formally end Korean War
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Fans line Welsh streets as Bonnie Tyler body's returns for funeral
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Residents evacuate as Belgium wildfire scorches 1,600 hectares
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Tropical Storm Lala lashes Hawaii with heavy rain
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easyJet strike sees 100 French flights cancelled
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Lebanon reports 11 dead in strikes that Israel says targeted Hezbollah
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Monica Bellucci and Florin Serban win at Locarno Film Festival
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Crystal Palace sign Israel winger Khalaili
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India's Padikkal hits unbeaten century in first Sri Lanka Test
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Rescuers search for survivors as Indonesian quake death toll rises to 47
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Liechtenstein places gender equality on its throne
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Taliban govt supporters dance, take selfies in Kabul celebrations
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Street rallies held as Taliban govt marks five years ruling Afghanistan
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UK PM urges 'reflection' after Cambridge professor's death
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World Cup winner Ferran Torres signs for PSG from Barcelona
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Rescuers search for survivors as Indonesian quake death toll rises to 40
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Monsoon rains submerge villages, fields in Myanmar
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Earthquake rocks Spain's tourist jewel Granada
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India's Padikkal, Rahul hit half-centuries in Sri Lanka Test
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Perez, Fiorini set world records in winning Euro race walk golds
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UK-based Afghan writer pleads for country's 'abandoned' women
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Lebanon says 9 dead in strikes as Israel says targeted Hezbollah
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Werro edges Hodgkinson in boost for world record-seeking 800m rivalry
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World Cup winner Ferran Torres signs for Paris Saint-Germain
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Mehidy claims Smith as Bangladesh sense historic upset in Australia
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Disney reveals 'X-Men' cast, slate of sequels at D23 fan event
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Indonesia rescuers search for survivors as quake death toll rises to 38
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Star Cameroon goalkeeper Bihina faces Malawi's prolific Chawinga sisters in WAFCON final
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Japan coach Jones says team should not get despondent after heavy loss
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Mehidy claims Smith to keep Bangladesh on top in Australia Test
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Flags, music as Taliban authorities mark five years ruling Afghanistan
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Iran fires back at Trump's threat to declare Hormuz a US territory
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'Like we were on a trampoline': Indonesia quake kills 20, thousands flee
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No monkey business: India 'whisperers' guard world championships
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Australia run riot to crush Japan 56-17 in Townsville
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Steady India 101-1 at lunch in first Sri Lanka Test
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Stolen Matisse works tied to infamous art thief in Brazil
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Faced with historic drought, the Dutch rethink water management
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Hasan strikes twice for Bangladesh to reduce Australia to 51-2
Army of cyber hackers rise up to back Ukraine
An army of volunteer hackers is rising up in cyberspace to defend Ukraine, though internet specialists are calling on geeks and other "hacktivists" to stay out of a potentially very dangerous computer war.
According to Livia Tibirna, an analyst at cyber security firm Sekoia, nearly 260,000 people have joined the "IT Army" of volunteer hackers, which was set up at the initiative of Ukraine's digital minister Mykhailo Fedorov.
The group, which can be accessed via the encrypted messaging service Telegram, has a list of potential targets in Russia, companies and institutions, for the hackers to target.
It's difficult to judge the effect the cyber-army is having.
The actions reported so far seem to be limited to "denial of service" (DOS) attacks, where multiple requests are sent to a website in a coordinated manner to saturate it and bring it down. Defacement actions, in which the targeted site displays a hacked page, have also been briefly observed on Russian sites.
The "cyber-army" could also ask hackers to try to identify vulnerabilities of certain Russian sites, and send that info to more seasoned specialists capable of carrying out more sophisticated intrusive actions, such as data theft or destruction, explains Clement Domingo, co-founder of the "Hackers Without Borders" group.
But he and other specialists consulted by AFP warned the hackers against participating in the activities of the "IT Army", or other cyber mavericks like Anonymous.
- 'Too much risk' -
"I strongly advise against joining these actions," says Damien Bancal, who is well-versed in the opaque world of cybercrime. "There are plenty of other ways to help Ukrainians who are suffering", if only by relaying the testimonies that are flourishing on social networks, he adds.
For SwitHak, a cybersecurity researcher, the maverick hackers are taking "too much risk".
"There are legal risks, for example," he said, Attempting to attack a website or penetrate a server or network is "computer crime".
For Domingo there is also a real risk of "hack back," a destructive counterattack by Russian operatives,
He is particularly appalled to see that a number of candidate hackers have obviously not taken the trouble to create a special Telegram account to participate in the IT Army, at the risk of being identified by the Russian side.
In cyberspace, and in particular on forums and other discussion groups on Telegram or Discord, "you don't know who's who", insists Felix Aime, another researcher at Sekoia.
Inexperienced hackers can find themselves caught up with infiltrators from the opposite camp, and end up working for the very opponent they wanted to fight, he warns.
Between the experienced hackers, who carry out ransomware attacks, the fight is on.
The Conti ransomware group, which declared its support for Russia, saw one of its pro-Ukrainian members publish more than a year's worth of its internal communications in retaliation, offering a treasure trove of information to the world's cyber security researchers, police and spy specialists.
The forums where cybercriminals meet "try to stay away from any debate" on the Russian-Ukrainian war to avoid attracting the attention of state services, says Sekoia analyst Tibirna.
G.AbuOdeh--SF-PST