reconnaissance
gb/ɹikˈɑnəsəns/ us/ɹikˈɑnəsəns/
C1
English
felderítés, előzetes felmérés, előzetes tájékozódás, kiberfelderítés
NOUN
C1
TECHNICAL
1
felderítés
B2
Usage pattern:
reconnaissance of [an area]; reconnaissance over [a place]; [do/conduct/carry out] reconnaissance
The unit was sent ahead to conduct reconnaissance before the main force moved in.
Az egységet előreküldték, hogy felderítést végezzen, mielőtt a főerő megindult.
Drones provided reconnaissance of the valley throughout the night.
A drónok egész éjjel a völgy felderítését végezték.
The report was based on satellite reconnaissance and intercepted communications.
Learner examples
The soldiers did reconnaissance before the attack.
A katonák a támadás előtt felderítést végeztek.
A drone was used for reconnaissance.
Egy drónt használtak felderítésre.
Common mistake:
Do not confuse reconnaissance with recognition. Reconnaissance means gathering information, not recognizing someone or something.
Meaning
military scouting for information
Collocations
aerial reconnaissance
|military reconnaissance
|reconnaissance mission
|reconnaissance patrol
|reconnaissance flight
|reconnaissance aircraft
|reconnaissance drone
|satellite reconnaissance
|conduct reconnaissance
|reconnaissance unit
Synonyms
scouting (less formal; often suggests moving ahead to look for information)
|
surveillance (emphasizes watching or monitoring, often over time)
|
intelligence gathering (broader; can include many sources besides direct observation)
Themes
military
|intelligence
|security
Definition
the act of finding out about an enemy or place before a military action
the collection of information about an enemy, area, route, or position, especially before or during a military operation
NOUN
C1
FORMAL
2
Usage pattern:
reconnaissance of [a place/situation]; [do/make/carry out] some reconnaissance; a reconnaissance visit/trip
We did some reconnaissance of the neighborhood before deciding where to rent.
Kicsit felmértük a környéket, mielőtt eldöntöttük, hol béreljünk lakást.
The project began with a short reconnaissance visit to the site.
A projekt egy rövid előzetes helyszínbejárással kezdődött.
Before the negotiation, the team did some reconnaissance on the client's priorities.
Learner examples
She did some reconnaissance before choosing a restaurant.
Előzetesen tájékozódott, mielőtt éttermet választott.
We made a reconnaissance trip to the town.
Elutaztunk a városba egy előzetes felmérésre.
Common mistake:
Outside military contexts, reconnaissance can sound formal or playful; in simple conversation, look around, check, or research may be more natural.
Meaning
preliminary look around
Collocations
do some reconnaissance
|preliminary reconnaissance
|site reconnaissance
|field reconnaissance
|reconnaissance visit
|reconnaissance trip
|initial reconnaissance
|a bit of reconnaissance
|reconnaissance work
Synonyms
survey (often more systematic or official)
|
inspection (emphasizes checking something carefully)
|
scouting (more informal and often about looking for options)
|
fact-finding (emphasizes collecting information before a decision)
Themes
planning
|daily_life
|business
|research
Definition
a first look or check to help you plan what to do next
an initial inspection or investigation of a place or situation, done to collect information before deciding what to do
NOUN
C2
TECHNICAL
3
felderítés
B2
Usage pattern:
reconnaissance on/against [a target]; active/passive reconnaissance; the reconnaissance phase
During reconnaissance, the security tester found several exposed services.
A felderítés során a biztonsági tesztelő több nyitott szolgáltatást talált.
Attackers used public employee profiles for reconnaissance before the phishing campaign.
A támadók nyilvános munkavállalói profilokat használtak felderítésre az adathalász kampány előtt.
The firewall logs suggested active reconnaissance against the network.
Learner examples
Reconnaissance is the first step in many cyberattacks.
A felderítés sok kibertámadás első lépése.
The tester did reconnaissance on the company's network.
A tesztelő felderítést végzett a cég hálózatán.
Common mistake:
In cybersecurity, reconnaissance usually comes before exploitation. Active reconnaissance directly probes the target; passive reconnaissance does not.
Meaning
cyber target information gathering
Collocations
cyber reconnaissance
|network reconnaissance
|active reconnaissance
|passive reconnaissance
|reconnaissance phase
|reconnaissance tools
|perform reconnaissance
|open-source reconnaissance
|attacker reconnaissance
|target reconnaissance
Synonyms
information gathering (broader and less technical)
|
footprinting (cybersecurity jargon for mapping a target's public details)
|
scanning (narrower; usually means actively probing systems or ports)
|
enumeration (more specific; identifying users, services, or resources)
Themes
technology
|cybersecurity
|security
|crime
Definition
the step in which hackers or security testers collect information about a computer target before attacking or testing it
the phase of a cyberattack or security test in which information is gathered about a target system, network, or organization before trying to exploit it
Grammar
Dictionary form
reconnaissance
IPA
GB/ɹikˈɑnəsəns/
US/ɹikˈɑnəsəns/
Syllables & stress
re - con - nais - sance (4 syllables)
Stress on 2nd syllable (con)
Word forms
Noun
- Base: reconnaissance
- Plural: reconnaissance, reconnaissances
Expressions
active reconnaissance
1/ˈæktɪv ɹikˈɑnəsəns/
fixed phrase
technical
direct cyber probing
collecting cyber information by directly contacting or testing the target system
Examples
- Port scans are a typical form of active reconnaissance.
- The red team performed active reconnaissance and quickly triggered an alert.
Learner examples
- Active reconnaissance touches the target system.
aerial reconnaissance
1/ˈɛɹiəl ɹikˈɑnəsəns/
fixed phrase
technical
scouting from the air
using aircraft or drones to look at an area and collect information
Examples
- The army used drones for aerial reconnaissance after the road was destroyed.
- Bad weather prevented aerial reconnaissance over the mountains.
Learner examples
- A drone did aerial reconnaissance over the valley.
do some reconnaissance
1/dˈu sˈʌm ɹikˈɑnəsəns/
fixed phrase
informal
check things out first
to check a place or situation first so you can plan better
Examples
- Can you do some reconnaissance on the hotels before we book?
- I walked around the venue to do some reconnaissance before the guests arrived.
Learner examples
- Let's do some reconnaissance before choosing a restaurant.
passive reconnaissance
1/pˈæsɪv ɹikˈɑnəsəns/
fixed phrase
technical
indirect cyber information gathering
collecting cyber information without directly contacting the target system
Examples
- Passive reconnaissance can include reading public websites and leaked records.
- The analyst began with passive reconnaissance so the target would not see any traffic from her tools.
Learner examples
- Passive reconnaissance uses public information.
reconnaissance flight
1/ɹikˈɑnəsəns flˈaɪt/
fixed phrase
technical
information-gathering flight
a flight to look at an area and collect information
Examples
- A reconnaissance flight spotted smoke near the border.
- The crew took off at dawn for a reconnaissance flight over the coast.
Learner examples
- The plane made a reconnaissance flight.
reconnaissance mission
1/ɹikˈɑnəsəns mˈɪʃən/
fixed phrase
information-gathering operation
a mission to find out useful information before doing something else
Examples
- The team returned from the reconnaissance mission with photos of the river crossing.
- We made a weekend reconnaissance mission to the city before deciding to move there.
Learner examples
- The soldiers went on a reconnaissance mission.
reconnaissance patrol
1/ɹikˈɑnəsəns pətɹˈoʊl/
fixed phrase
technical
scouting patrol group
a group of soldiers sent to look for information and report back
Examples
- A reconnaissance patrol reported fresh tracks near the camp.
- The commander sent a reconnaissance patrol to check the road ahead.
Learner examples
- The reconnaissance patrol looked for danger.
reconnaissance satellite
1/ɹikˈɑnəsəns sˈætəlˌaɪt/
fixed phrase
technical
spy information satellite
a satellite that takes pictures or collects information from space for a government or military
Examples
- A reconnaissance satellite captured images of the launch site.
- Governments use reconnaissance satellites to monitor military activity.
Learner examples
- A reconnaissance satellite takes pictures from space.