There will be no change to the rights and status of EU nationals living in the UK, nor UK nationals living in the EU, while the UK remains in the EU.
Around 500,000 British tourists visit Malta every year. Most visits are trouble-free.
You can contact the emergency services by calling 112.
If you’re abroad and you need emergency help from the UK government, contact the nearest British embassy, consulate or high commission.
Although there’s no recent history of terrorism in Malta, attacks can’t be ruled out. See Terrorism
You should take out comprehensive travel and medical insurance before you travel.