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Markus Hess, a
German German(s) may refer to: * Germany (of or related to) ** Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...
citizen, is best known for his endeavours as a
hacker A hacker is a person skilled in information technology who uses their technical knowledge to achieve a goal or overcome an obstacle, within a computerized system by non-standard means. Though the term ''hacker'' has become associated in popu ...
in the late 1980s. Alongside fellow hackers Dirk Brzezinski and Peter Carl, Hess hacked into networks of military and industrial computers based in the United States, Europe and East Asia, and sold the information to the
Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
KGB The KGB (russian: links=no, lit=Committee for State Security, Комитет государственной безопасности (КГБ), a=ru-KGB.ogg, p=kəmʲɪˈtʲet ɡəsʊˈdarstvʲɪn(ː)əj bʲɪzɐˈpasnəsʲtʲɪ, Komitet gosud ...
for US$54,000. During his time working for the KGB, Hess is estimated to have broken into 400 U.S. military computers. The hacked material included "sensitive semiconductor, satellite, space, and aircraft technologies".


Lawrence Berkeley Laboratory

Hess's hacking activities were discovered in 1986 by
Clifford Stoll Clifford Paul "Cliff" Stoll (born June 4, 1950) is an American astronomer, author and teacher. He is best known for his investigation in 1986, while working as a systems administrator at the Lawrence Berkeley National Laboratory, that led to t ...
, an
astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, natural satellite, moons, comets and galaxy, g ...
turned
systems administrator A system administrator, or sysadmin, or admin is a person who is responsible for the upkeep, configuration, and reliable operation of computer systems, especially multi-user computers, such as servers. The system administrator seeks to ensu ...
of the computer center of the
Lawrence Berkeley Laboratory Lawrence Berkeley National Laboratory (LBNL), commonly referred to as the Berkeley Lab, is a United States national laboratory that is owned by, and conducts scientific research on behalf of, the United States Department of Energy. Located in ...
(LBL) in
California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
. Stoll's first job duty was to track a 75-cent accounting error in the LBL system. Early in his investigation, Stoll discovered that the LBL computer system was compromised and that the hacker had obtained
root In vascular plants, the roots are the organs of a plant that are modified to provide anchorage for the plant and take in water and nutrients into the plant body, which allows plants to grow taller and faster. They are most often below the sur ...
, or system privileges. Such a security compromise was more important than the accounting error. Stoll eventually discovered how the hacker broke in and identified the hacker's activities on the system. LBL management considered attempting to seal off the system from this hacker, but Stoll and his colleagues convinced LBL's management that this would not be effective. Ultimately, they installed a honeypot to ensnare the hacker.


Getting in

Hess' initial activities started at the
University of Bremen The University of Bremen (German: ''Universität Bremen'') is a public university in Bremen, Germany, with approximately 23,500 people from 115 countries. It is one of 11 institutions which were successful in the category "Institutional Strategi ...
in
Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
through the German Datex-P network via satellite link or transatlantic cable to the
Tymnet Tymnet was an international data communications network headquartered in Cupertino, California that used virtual call packet-switched technology and X.25, SNA/ SDLC, BSC and Async interfaces to connect host computers (servers) at thousands of lar ...
International Gateway. Tymnet was a "gateway" service that a user called into that routed them to any one of a number of computer systems that also used the service. Tymnet was one of a number of services available that provided local telephone numbers, where directly accessing the computer would have been a
long-distance call In telecommunications, a long-distance call (U.S.) or trunk call (also known as a toll call in the U.K. ) is a telephone call made to a location outside a defined local calling area. Long-distance calls are typically charged a higher billing rate ...
. Users normally used
packet-switching In telecommunications, packet switching is a method of grouping data into '' packets'' that are transmitted over a digital network. Packets are made of a header and a payload. Data in the header is used by networking hardware to direct the pack ...
services like Tymnet for their lower costs. Once he accessed Tymnet, Hess branched out to the
Jet Propulsion Laboratory The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in the City of La Cañada Flintridge, California, United States. Founded in the 1930s by Caltech researchers, JPL is owned by NASA an ...
in
Pasadena, California Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. I ...
and to the Tymnet Switching System. It was through this switching system that he accessed the LBL computers. Hess was able to attack 400
U.S. military The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is the ...
computers by using LBL to "
piggyback Piggyback, piggy-back, or piggybacking may mean: Transport * Piggyback (transportation), something that is riding on the back of something else Art, entertainment, and media * Splash cymbal piggybacking, mounting a cymbal on top of an already ...
" to
ARPANET The Advanced Research Projects Agency Network (ARPANET) was the first wide-area packet-switched network with distributed control and one of the first networks to implement the TCP/IP protocol suite. Both technologies became the technical fou ...
and
MILNET In computer networking, MILNET (fully Military Network) was the name given to the part of the ARPANET internetwork designated for unclassified United States Department of Defense traffic.DEFENSE DATA NETWORK NEWSLETTEDDN-NEWS 26 6 May 1983 MILNE ...
. ARPANET was a civilian
wide area network A wide area network (WAN) is a telecommunications network that extends over a large geographic area. Wide area networks are often established with leased telecommunication circuits. Businesses, as well as schools and government entities, us ...
created by the
Department of Defense Department of Defence or Department of Defense may refer to: Current departments of defence * Department of Defence (Australia) * Department of National Defence (Canada) * Department of Defence (Ireland) * Department of National Defense (Philipp ...
, which would later become what is now known as the
Internet The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...
. MILNET was its military counterpart.


Targets

The facilities that Hess hacked into included: *
SRI International SRI International (SRI) is an American nonprofit scientific research institute and organization headquartered in Menlo Park, California. The trustees of Stanford University established SRI in 1946 as a center of innovation to support economic d ...
Menlo Park, California Menlo Park is a city at the eastern edge of San Mateo County within the San Francisco Bay Area of California in the United States. It is bordered by San Francisco Bay on the north and east; East Palo Alto, Palo Alto, and Stanford to the south; ...
, US *
U.S. Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cl ...
DarcomSeckenheim,
West Germany West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...
*
Fort Buckner Fort Buckner is a United States Army base located immediately south of Camp Foster, near Futenma, on Okinawa, Japan. The 78th Signal Battalion and E Co. of the 53d Signal Battalion (SATCON) are the only units on this small installation. All loca ...
,
Camp Foster Camp Foster, formerly known as Camp Zukeran ( ja, キャンプ・フォスター), is a United States Marine Corps camp located in Ginowan City with portions overlapping into Okinawa City, Chatan town and Kitanakagusuku village in the Japane ...
Okinawa, Japan is a Prefectures of Japan, prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 Square kilometre, km2 (880 sq mi). ...
* U.S. Army 24th Infantry
Fort Stewart, Georgia Fort Stewart is a United States Army post in the U.S. state of Georgia. It lies primarily in Liberty and Bryan counties, but also extends into smaller portions of Evans, Long and Tattnall counties. The population was 11,205 at the 2000 census. Th ...
, US *
U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...
Coastal Systems Computer
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, US *
U.S. Air Force The United States Air Force (USAF) is the air service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part of the United States Army Sign ...
Ramstein Air Base Ramstein Air Base or Ramstein AB is a United States Air Force base in Rhineland-Palatinate, a state in southwestern Germany. It serves as headquarters for the United States Air Forces in Europe – Air Forces Africa (USAFE-AFAFRICA) and also ...
,
West Germany West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...
*
MIT The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the m ...
MX Computer,
Cambridge, Massachusetts Cambridge ( ) is a city in Middlesex County, Massachusetts, United States. As part of the Boston metropolitan area, the cities population of the 2020 U.S. census was 118,403, making it the fourth most populous city in the state, behind Boston, ...
, US * OPTIMIS Database –
The Pentagon The Pentagon is the headquarters building of the United States Department of Defense. It was constructed on an accelerated schedule during World War II. As a symbol of the U.S. military, the phrase ''The Pentagon'' is often used as a metony ...
, US * United States Air Force Systems Command
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, US * Anniston Army Depot
Anniston, Alabama Anniston is the county seat of Calhoun County in Alabama and is one of two urban centers/principal cities of and included in the Anniston-Oxford Metropolitan Statistical Area. As of the 2010 census, the population of the city was 23,106. Acco ...
, US


Tracking Hess and his capture

Stoll, with the help of local authorities, traced the call to a Tymnet switch in
Oakland, California Oakland is the largest city and the county seat of Alameda County, California, United States. A major West Coast of the United States, West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third ...
. Because the call came from Oakland rather than
Berkeley Berkeley most often refers to: *Berkeley, California, a city in the United States **University of California, Berkeley, a public university in Berkeley, California * George Berkeley (1685–1753), Anglo-Irish philosopher Berkeley may also refer ...
, it was obvious that the hacker was not working local to the university. Tymnet officials helped LBL trace the various calls, even though the hacker attempted to conceal their origin. Enlisting the aid of
AT&T AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company by revenue and the third largest provider of mobile tel ...
and the
Federal Bureau of Investigation The Federal Bureau of Investigation (FBI) is the domestic intelligence and security service of the United States and its principal federal law enforcement agency. Operating under the jurisdiction of the United States Department of Justice, ...
(FBI), Stoll eventually determined that the calls were being "piggybacked" across the United States, but originating from
Hanover Hanover (; german: Hannover ; nds, Hannober) is the capital and largest city of the German state of Lower Saxony. Its 535,932 (2021) inhabitants make it the 13th-largest city in Germany as well as the fourth-largest city in Northern Germany ...
, Germany. Stoll trapped Hess by creating records of a bogus military project conducted on LBL computers; according to ''
The Cuckoo's Egg ''The Cuckoo's Egg: Tracking a Spy Through the Maze of Computer Espionage'' is a 1989 book written by Clifford Stoll. It is his first-person account of the hunt for a computer hacker who broke into a computer at the Lawrence Berkeley National ...
'', he and his girlfriend conceived this plan while showering, giving it the unofficial name of "Operation Showerhead". While the bogus information was convincing, the primary goal was simply to keep the hacker connected long enough to trace his connection, and with the hope that the hacker might send a written request for further information listed as available in hard copy. This simple technique worked: a request for the additional information was received from a
Pittsburgh, Pennsylvania Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...
address. At the time, this type of hacking was new, and it was a considerable challenge to get the cooperation of the FBI and the
West German West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...
government. Eventually, the German authorities were able to break in and arrest Hess. Hess went to trial in 1990, and Stoll testified against him. Hess was found guilty of
espionage Espionage, spying, or intelligence gathering is the act of obtaining secret or confidential information (intelligence) from non-disclosed sources or divulging of the same without the permission of the holder of the information for a tangibl ...
and was given a 20-month
suspended sentence A suspended sentence is a sentence on conviction for a criminal offence, the serving of which the court orders to be deferred in order to allow the defendant to perform a period of probation. If the defendant does not break the law during that ...
.


Literature and films

After Hess's capture, Stoll wrote about his efforts to track and locate Hess in a technical paper "Stalking the Wily Hacker" for the journal ''Communications of the ACM'' and a book ''
The Cuckoo's Egg ''The Cuckoo's Egg: Tracking a Spy Through the Maze of Computer Espionage'' is a 1989 book written by Clifford Stoll. It is his first-person account of the hunt for a computer hacker who broke into a computer at the Lawrence Berkeley National ...
'' for the general public. ''The Cuckoo's Egg'' was adapted into a 1990 ''
Nova A nova (plural novae or novas) is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star (hence the name "nova", which is Latin for "new") that slowly fades over weeks or months. Causes of the dramati ...
'' episode "The KGB, The Computer, and Me".


See also

*
Chaos Computer Club The Chaos Computer Club (CCC) is Europe's largest association of hackers with 7,700 registered members. Founded in 1981, the association is incorporated as an ''eingetragener Verein'' in Germany, with local chapters (called ''Erfa-Kreise'') in ...


References


Further reading

* The Internet Incident ()
VTK Productions March The Second Movie Page
{{DEFAULTSORT:Hess, Markus German computer criminals German people convicted of spying for the Soviet Union Hacking (computer security) Living people 1960s births People of the Cold War Cyberwarfare