Threat Intelligence & Lessons Learned: Adversary Emulation & Defensive Hardening

Mamluk-era Hanbali theologian Taqī al-Dīn Ibn Taymiyyah issued groundbreaking fatwas declaring that Mongol rulers of the Ilkhanate—despite converting to Islam—remained apostates (*Kuffar*) because they ruled by Yassa tribal law rather than divine Sharia.

Muhammad ibn Abd al-Wahhab entered a politico-religious pact with tribal chieftain Muhammad bin Saud in Diriyah (Nejd), establishing the First Saudi State bound to Wahhabi Salafi puritanism.

Hassan al-Banna established the Muslim Brotherhood (*Ikhwan al-Muslimun*) following the 1924 collapse of the Ottoman Caliphate, seeking to re-Islamize society from the bottom up and resist British colonial influence.

Egyptian President Gamal Abdel Nasser executed Sayyid Qutb for treason. Qutb's prison writings transformed Islamist political thought by arguing that contemporary Muslim societies lived in pre-Islamic pagan ignorance (*Jahiliyyah*).

Ayatollah Ruhollah Khomeini overthrew the Shah of Iran, establishing a Shia Islamic Republic grounded in *Velayat-e Faqih* (Guardianship of the Islamic Jurist).

Juhayman al-Otaybi and hundreds of armed Salafi radicals (*Al-Jama'a al-Salafiyya al-Muhtasiba*) seized the Masjid al-Haram in Mecca, proclaiming his brother-in-law as the Mahdi and calling for the overthrow of the House of Saud.

The Soviet Union invaded Afghanistan to bolster the Communist regime in Kabul, initiating a decade-long holy war that mobilized over 20,000 foreign Muslim volunteers ("Afghan Arabs").

Egyptian Islamic Jihad (EIJ) operative Lieutenant Khalid Islambouli shot and killed President Anwar Sadat during a military parade in Cairo to avenge the 1978 Camp David Accords with Israel.

Following Israel's invasion of Lebanon, the IRGC dispatched 1,500 Quds Force advisors to the Beqaa Valley to organize, train, and fund Shia militants into Hezbollah ("Party of God").

Osama bin Laden, Ayman al-Zawahiri, and Egyptian veterans met in Peshawar to formalize an enduring military vanguard (*Tanzim Qaidat al-Jihad*) to carry forward the globalized armed struggle.

From a cave in Tora Bora, Afghanistan, Bin Laden issued a 30-page manifesto declaring war against the United States for maintaining military bases in Saudi Arabia ("Land of the Two Holy Places").

Bin Laden and Zawahiri issued a fatwa declaring it an individual duty (*Fard 'Ayn*) for every Muslim to kill Americans—civilians and military—anywhere in the world. On August 7, 1998, AQ executed simultaneous suicide VBIED attacks on US Embassies in Nairobi and Dar es Salaam (224 dead).

Nineteen Al-Qaeda hijackers commandeered four commercial airliners, crashing them into the World Trade Center, the Pentagon, and a field in Shanksville, PA, killing 2,977 victims.

Following the US invasion of Iraq, Jordanian militant Abu Musab al-Zarqawi established *Jama'at al-Tawhid wal-Jihad* (later *Al-Qaeda in Iraq* / AQI), unleashing an unprecedented campaign of suicide bombings, beheading broadcasts, and anti-Shia sectarian warfare.

Strategist Abu Musab al-Suri published a 1,600-page treatise advocating for decentralized, leaderless jihad operated through autonomous small cells and individual lone actors (*Nizam La Tanzim* / System Not Organization).

Publication of *Idarat al-Tawawwash*, outlining a 3-stage strategic roadmap: (1) Exhausting superpowers through attrition, (2) Creating security vacuums ("savagery"), and (3) Managing savagery to establish the Caliphate.

ISIS captured Mosul, Iraq. From the al-Nuri Mosque, Abu Bakr al-Baghdadi proclaimed himself "Caliph Ibrahim" of a global Islamic State, severing ties with Al-Qaeda Core and demanding universal allegiance (*Bay'ah*).

Directed by Abu Mohammad al-Adnani's *Lawa'i al-Kharsa* (Muted Brigade), ISIS external operations cells launched synchronized multi-vector attacks across Paris (Nov 2015 - 130 dead), Brussels (Mar 2016 - 32 dead), Manchester (May 2017 - 22 dead), and Barcelona (Aug 2017).

Following US withdrawal from Afghanistan, the Taliban captured Kabul. During evacuation operations on August 26, 2021, an Islamic State Khorasan Province (ISKP) suicide bomber struck Abbey Gate at Hamid Karzai International Airport, killing 13 US service members and 170+ Afghan civilians.

Four Tajik ISKP operatives executed a high-speed active shooter and arson assault on Crocus City Hall in Krasnogorsk, Moscow Oblast, killing 145 people and injuring 551 before setting fire to the complex.