The Justice Minister says Gardaí are undertaking a full review of Ireland's security needs in the wake of the Paris attacks.
But Gardaí say that while an attack on Ireland is possible, it remains unlikely at this time.
Frances Fitzgerald says cutbacks to Garda spending in recent years have not left the country any more vulnerable to terrorism.
But after reports that one of the Paris attackers had claimed asylum from Syria, Minister Fitzgerald says Ireland will NOT be forced to accept any suspected terrorists:
Earlier President Michael D Higgins has added his name to a book of condolences at the French Embassy on Merrion Square for the victims of the Paris attacks today.
The President also took part in the Europe-wide minute's silence at 11am in solidarity with the French.
At the Sorbonne University, French President Francois Hollande was surrounded by students and his cabinet.
Afterwards they sang France's national anthem.
The Irish flag is flying at half mast at all Government Buildings, including Leinster House, as part of three days of mourning.
The French community in Ireland took to the streets over the weekend as vigils were held throughout the country.
These people in Dublin told us why they came out:
Meanwhile in France, investigators say a Belgian man is suspected of being behind Friday's attacks.
Authorities believe Abdelhamid Abaaoud is currently in Syria.
Over 150 raids have taken place across France and Belgium with police seizing a rocket launcher and hand guns.
Sky's Mark Stone who's in Paris has more details about the main suspect.
The French President has vowed to destroy Islamic State and intensify strikes in Syria.
Francois Hollande delivered a state of the union address to politicians this evening, and called to extend the state of emergency in France.
France has responded to the atrocity by dropping 20 bombs on Islamic State's stronghold in Syria.
Jets targeted a jihadi recruitment centre, training camp and arms depot in the city of Raqqa, according to the French defence ministry.
The government has warned people to be vigilant and stay away from crowded areas.
The attack has also rekindled the refugee row.
The President of the EU Commission said the weekend's violence wasn't a reason to change policy on migration.
Jean Claude Junker claimed the attackers were terrorists and shouldn't be confused with ordinary asylum-seekers.
