The Islamic State group that now controls large parts of Iraq and Syria also known by the Arabic acronym Daesh and the Somali militant Islamic group al-Shabab share a common pedigree in that they both have had links to al-Qaida. They frequently use similar tactics such as explosives-laden cars, suicide bombers and attacks on civilians.
They operate independently for now, but the Emirati foreign minister, Sheik Abdullah bin Zayed Al Nahyan, suggested that could change.
"I think we should start to ask ourselves: how ready we are as countries, companies and international organisations in facing these big threats," he added.
Sheik Abdullah did not cite any specific intelligence pointing to active collaboration between the groups, but there has been speculation that the Somali rebels would shift their allegiance from al-Qaida to the Islamic State group.
Al-Shabab last month named a new leader, Ahmad Umar, and reaffirmed its alignment with al-Qaida after its longtime head, Ahmed Abdi Godane, was killed in a US airstrike 170 kilometres south of the Somali capital of Mogadishu.
The Islamic State group itself began as an Iraqi affiliate of al-Qaida, but it was kicked out of the terror network earlier this year.