The US highlighted the importance of the fight against cybercrime, especially in tackling the high-profile ransomware attacks on the energy and food industries.
Some sources have confirmed that the UK Department for Transport (DfT) website was filled with pornographic content before, particularly the UK DfT's charts.dft.gov.uk site.
By hacking into multinational jeweler Graff, the hackers stole data of world leaders including Donald Trump, Mohammed bin Rashid Al Maktoum and Mohammed bin Salman.
It isn't clear why the hackers tried to access the MTA's computer systems, but investigators believe it could be linked to China's efforts to dominate the rail car market.
The hackers from Cl0p Ransomware allegedly stole data from the law firm Jones Day and posted a number of the illicitly obtained documents on the dark web.
The files contain information like names, Social Security numbers, driver's license numbers, bank information and place of employment of around thousands of Americans.
Alleged North Korean hackers, backed by the state, are pretending to be researchers and urging cybersecurity experts to collaborate, only to extract their researches.