Mossad Explained: How Israel’s Intelligence Agency Works, Its History and Major Operations
Mossad: Israel’s secretive foreign intelligence service
Few intelligence agencies have generated as much international attention, speculation and mythology as Mossad.
Formally known as the Institute for Intelligence and Special Operations, Mossad is Israel’s foreign intelligence service. Its own official description says it gathers strategic and operational intelligence, counters threats and carries out special operations in support of Israel’s strategic objectives.
Yet much of Mossad’s actual organisation and operational activity remains classified. This distinction matters: numerous operations over the decades have been attributed to Mossad by governments, journalists, intelligence officials or historians, but not every attribution has been publicly acknowledged by Israel.
Understanding Mossad therefore requires separating documented history from reported or alleged covert activity.
MOSSAD AT A GLANCE
How was Mossad created?
The roots of Israel’s modern intelligence community can be traced to the period immediately after the establishment of the State of Israel in 1948.
According to the Israeli Security Agency’s official history, the intelligence system that emerged included a military intelligence branch that later became Aman, an internal security service that evolved into Shin Bet, and a Foreign Ministry political division responsible for intelligence activities abroad that eventually developed into Mossad.
Mossad’s official historical record lists Reuven Shiloah as its first director, serving from 1949 to 1952. He was followed by Isser Harel, who headed the organisation until 1963.
The emergence of separate organisations reflected a basic division of intelligence responsibilities: foreign intelligence, domestic security and military intelligence.
HOW ISRAEL'S INTELLIGENCE SYSTEM IS DIVIDED
What does Mossad actually do?
Mossad describes itself as responsible for collecting intelligence that helps Israeli decision-makers formulate national-security policy.
Its official description goes further, referring to clandestine activities, countering threats and special operations.
At the public level, its functions can broadly be understood as involving foreign intelligence collection, assessment of strategic threats, overseas clandestine operations and cooperation with foreign intelligence partners.
The details of individual units, personnel, budgets, methods and current operations are often secret. As with other intelligence organisations, this makes independently assessing claims about Mossad particularly difficult.
Mossad vs Shin Bet vs Aman: what's the difference?
The three names are sometimes used interchangeably in popular discussions, but they represent different organisations.
Mossad is primarily associated with intelligence and covert activities outside Israel.
Shin Bet, formally the Israeli Security Agency or ISA, is responsible for internal security. Its mandate is established under Israeli law, including the 2002 ISA statute.
Aman is Israel's military intelligence organisation and forms part of the Israel Defense Forces.
The distinction is broadly comparable to the separation many countries maintain between foreign intelligence, domestic security and military intelligence.
MOSSAD vs SHIN BET vs AMAN
Major operations associated with Mossad
The secrecy surrounding intelligence organisations creates an important journalistic problem: confirmed operations and alleged operations should not be presented as though they have the same evidentiary status.
Some episodes are exceptionally well documented.
The capture of Adolf Eichmann
Perhaps the most famous Mossad operation involved Adolf Eichmann, a senior Nazi official who played a central role in organising the deportation of European Jews during the Holocaust.
Eichmann escaped Europe after World War II and eventually lived in Argentina.
In 1960, Israeli agents seized him near his home and secretly transported him to Israel.
The United States Holocaust Memorial Museum identifies Mossad officers as responsible for his capture. Argentina subsequently protested that its sovereignty had been violated, turning the operation into an international diplomatic dispute.
Eichmann was subsequently tried in Jerusalem, convicted and executed in 1962.
MOSSAD HISTORY TIMELINE
Munich and the campaign against Black September
The killing of 11 members of the Israeli Olympic team at the 1972 Munich Olympics became another defining moment in the history of Israeli intelligence.
In the years that followed, Israel pursued individuals it believed were connected to Black September and other Palestinian militant networks.
Many killings and clandestine operations during this period have been attributed to Mossad.
But the campaign also produced one of the agency's most notorious failures.
The Lillehammer affair
In July 1973, a Moroccan waiter named Ahmed Bouchikhi was killed in Lillehammer, Norway, after Israeli operatives mistook him for Palestinian militant Ali Hassan Salameh.
Norwegian authorities arrested members of the Israeli team, and several were convicted.
The episode became known as the Lillehammer affair and remains one of the most prominent examples of the risks and diplomatic consequences associated with clandestine intelligence operations.
DOCUMENTED vs REPORTED OPERATIONS
Iran and the nuclear programme
Iran has become one of the most important strategic focuses of Israeli intelligence in the 21st century.
Israel has repeatedly described Iran's nuclear programme and its regional network of allied armed groups as major national-security threats.
During Yossi Cohen's tenure as Mossad director from 2016 to 2021, the agency says it concentrated heavily on disrupting Iran's nuclear programme.
One particularly significant episode came in 2018.
Israeli Prime Minister Benjamin Netanyahu announced that Israeli intelligence had obtained a huge collection of documents relating to Iran's past nuclear activities from a warehouse in Tehran.
Mossad's own historical account identifies obtaining the Iranian nuclear archive as one of the agency's prominent achievements during Cohen's tenure.
Other sabotage operations, cyberattacks and assassinations involving Iranian nuclear scientists have been attributed to Israel or Mossad in international reporting. Attribution in such cases must be treated carefully where Israel has not publicly accepted responsibility.
Who runs Mossad?
Mossad is part of Israel's national-security establishment, but unlike the Israel Defense Forces, it is not a military organisation.
Its director is one of the most powerful intelligence officials in the country.
Mossad's official historical directory lists David “Dadi” Barnea as director for the 2021–2026 period.
The organisation's leadership has included figures such as Isser Harel, Meir Amit, Zvi Zamir, Meir Dagan, Tamir Pardo and Yossi Cohen.
SELECTED MOSSAD DIRECTORS
How does Mossad compare with other intelligence agencies?
Mossad is frequently compared with the CIA in the United States, MI6 in Britain and RAW in India because all perform significant foreign-intelligence functions.
However, direct comparisons can be misleading.
Each agency operates under a different political system, legal framework, national-security environment and organisational structure.
India's RAW, for example, was established in 1968 as a dedicated external intelligence organisation after foreign intelligence had previously been handled by the Intelligence Bureau.
The CIA has a much broader global infrastructure associated with the United States' worldwide diplomatic and security presence, while Mossad operates within Israel's considerably different strategic environment.
GLOBAL INTELLIGENCE AGENCIES
Why Mossad remains so influential
Mossad's international reputation rests partly on documented intelligence successes and partly on the secrecy surrounding its activities.
Its operational environment is also unusual.
Israel faces security challenges involving hostile states, militant organisations, terrorism, missile programmes, cyber threats and concerns surrounding Iran's nuclear programme. This has made foreign intelligence a central component of Israeli national-security policy.
But secrecy creates another consequence: it allows myth and reality to become intertwined.
Successful intelligence operations may remain classified for decades. Failed missions can become public through arrests or investigations. And operations carried out by other Israeli security organisations can sometimes be incorrectly described in popular accounts as “Mossad operations.”
For readers trying to understand the organisation, attribution therefore matters as much as the operation itself.
The bigger picture
Mossad occupies a distinctive position in the history of modern intelligence.
From the capture of Adolf Eichmann in Argentina to Israel's confrontation with Iran, the agency has been associated with some of the most consequential intelligence episodes of the past several decades.
Yet the nature of espionage means that a complete public history of Mossad does not exist.
What can be established is that Mossad remains Israel's principal foreign intelligence organisation, operating alongside Shin Bet and Aman within a broader security system.
The gap between what is publicly documented and what remains secret is precisely why Mossad continues to attract extraordinary global interest.
Editorial Note
Intelligence operations are often classified and disputed. Updated+ distinguishes between operations confirmed by governments or authoritative historical records and activities attributed to intelligence agencies through credible reporting. Allegations are identified as such and should not be treated as established fact.
