The hacking took place shortly after US President Donald Trump's visit to Saudi Arabia.
"We need a regional solution and global monitoring", said Anwar Gargash, UAE Minister of State for Foreign Affairs, in prepared remarks he was scheduled to deliver on Monday in London.
Egyptian Foreign Minister Sameh Shoukry said Qatar's response to the bloc's conditions had "no substance" and "reflects a lack of understanding of the gravity of the situation".
The Gulf states who cut ties with Qatar last month have given their strongest hint yet that they plan to expel Qatar from the Gulf Cooperation Council, the regional trade and security group.
Saudi Arabia's Government has accused Qatar of "grave violations, both in secret and in public".
It was the USA that, for the first time, brought up the issue of Qatar's financial backing for terrorism at the Riyadh meeting.
However, the CEO of Bawabat Al-Shamal Real Estate Company (BASREC) - the owner and developer of Doha Festival City rejected the report.
For his part, Sheikh Mohammed said that the actions taken by Saudi Arabia and its allies against Qatar are disrupting the regional effort to combat terrorism.
French Foreign Minister Jean-Yves Le Drian with Qatar's FM Sheikh Mohammed bin Abdulrahman Al Thani.
Qatar has denied any support for extremism and accused the countries of seeking to infringe on its sovereignty.
Turkish military base in Qatar, lowering its relations with Iran, shuttering Qatar-sponsored media such as the controversial Al Jazeera television network, and putting Qatar under guardianship.
Because the quartet was "a long way from political solution linked to Qatar to change its orientation", he said it would mean that "we have to find a different pattern of relationship".
Kuwait is trying to mediate the dispute.
"We do see signs now, however, that our pressure is working", Gargash said.
"It is now a matter of the parties entering into negotiations", he added.
Infantino said that Federation Internationale de Football Association was watching the situation and was in regular contact with the Qatari authorities,"We are indeed facing a diplomatic crisis". His remarks came from Doha, where he begins a Gulf tour to support Kuwait's mediation efforts. Moreover, in the recent trip, the United States concluded a deal on fighting terrorism with Doha in what is believed to be a move to please Saudi Arabia and its allies. Riyadh and its supporters have severed air, sea and ground links with Qatar, cutting off vital routes for imports including food.
"We need a regional solution and global monitoring".
The French minister expressed his concern about the current crisis with Qatar and its political and economic impact. Even though Egyptians are now concerned about their economic situation, the high cost of living and a partial decrease in flour subsidies, the relationship with Qatar still weighs heavily on their minds.