Time to beef up your internet security. Yet another hit as companies across the globe are reporting they have been struck by a major ransomware cyber-attack. The virus, the source of which is not yet known, freezes the user’s computer until an untraceable ransom is paid in the digital Bitcoin currency. Ukrainian firms, including the state power company and Kiev’s main airport, were among the first to report issues.

Some relatively good news from Mosul. Iraqi forces, battling up to 350 militants hiding among civilians in the Old City, said the federal police have dislodged ISIS insurgents from the Ziwani mosque and were only a few days away from ousting militants completely from the Old City. Iraqi Prime Minister Haider al-Abadi on Monday night predicted he would soon announce victory over the so-called Islamic State in Iraq. A U.S.-backed Syrian coalition of Kurdish and Arab groups in the meantime continue its assault to liberate Raqqa having isolated the group inside the city.

Do you ever feel like everyone you know is on Facebook? Well that’s because they probably are. More than a quarter of the world’s population now uses Facebook every month, the social network says. As of Tuesday, the Facebook community is now officially two billion people according to founder and chief executive Mark Zuckerberg. The milestone comes just 13 years after the network was founded by Mr Zuckerberg when he was at Harvard.