A newly-formed Islamic State (IS)-aligned group threatened New York City and vowed vengeance for the victims of Baghuz, Syria.

Al-Qaeda Central (AQC) issued a statement on the shootings at two mosques in Christchurch, New Zealand, calling on Muslims to take revenge but to avoid targeting places of worship, to demonstrate that Islam is a religion of ethics and morality.

After the release of a speech only 10-days prior regarding the UAE and the historic papal mass in Abu Dhabi, Khalid bin Umar Batarfi, an official in al-Qaeda in the Arabian Peninsula (AQAP), attacked Saudi crown prince Muhammad bin Salman for "quickening" the normalization process with Israel, and again urged regime change in the region.

An Islamic State (IS)-aligned group threatened France in a poster depicting a fighter monitoring the Eiffel Tower.

An Islamic State (IS) supporter incited lone wolves in the "land of the disbelievers" to ignite a "Baghuz" in Chicago, Moscow, and Paris.

To take advantage of "white-collar recession" in Dubai, and to "avenge" Muslims, a jihadist suggested attacks on tourists and churches, synagogues, and Buddhist temples in the Emirati city.

The Shabaab al-Mujahideen Movement declared that its operation at the 14 Riverside Drive business complex came in accordance with the directive by al-Qaeda (AQ) leader Ayman al-Zawahiri to target "Western and Zionist interests," and in response to U.S. Donald Trump announcing Jerusalem as Israel's capital.

An Islamic State (IS)-aligned Spanish group released an incitement video for lone-wolf attacks in America and Europe during Christmas.

In promoting the attack by the Islamic State (IS) inspired Cherif Chekat in Strasbourg, France, the group incited in Naba 161 for lone-wolf jihadists to carry out operations in the West during the holiday season.

Using cartoons and booklets, an Islamic State (IS)-aligned French group promoted jihad and suggested an attack on the National Assembly.

The Gaza-based Jaysh al-Islam (Army of Islam) praised lone-wolf attackers in Jerusalem and West Bank and incited for lethal strikes involving explosives, poisoned knives, and vehicles.

The editors of the pro-Islamic State (IS) "Liwa' al-Ansar" (Brigade of the Supporters) newspaper justified the group's lack of action in Myanmar and Israel, suggesting that their respective peoples are also responsible for their "liberation". The 10-page newspaper was released on Telegram on December 9, 2018.

As the Christmas and New Years holidays approach, Islamic State (IS)-aligned group incited for and warned of attacks in the West, some with images of Santa Claus.

Two Islamic State (IS)-aligned groups separately issued posters inciting lone-wolf jihadists to strike France, coming after violent protests in the capital, Paris.

As jihadists are emboldened by the video from the Islamic State's (IS) Sinai Province in which Egyptian army officers-turned fighters threatened Israel, an IS-aligned group warned that slaughter is the "fate" of Jews.

An Islamic State (IS)-aligned group claimed hacking seven surveillance cameras, four of them in Israel, and separately threatened Paris, France.

An Islamic State (IS)-aligned group reminded of the 2016 vehicular attack at a Christmas market in Berlin, Germany, in a posting warning of "retribution" to come.

The Islamic State's Sinai Province released a video of fighters identifying as former Egyptian army officers calling on soldiers to leave the military and threatening Israel.

An Islamic State (IS)-aligned group published a collection of posters threatening and inciting for attacks in London, Paris, Rome, Sydney, and Washington D.C..

An Islamic State (IS) supporter incited lone wolves in Egypt and Western countries including the United States to attack churches and "worshipers of the Cross," and separately, depicting a fighter looking at New York City, warned of "slaughter" to come.

An Indonesian fatwa, accompanied by a graphic, urged the killing of Jews calling such action a religious commandment and not a terrorist act.