a secret or unauthorized way to access a system or information
секретный или несанкционированный способ доступа к системе или информации (sekretnyy ili nesanktsionirovannyy sposob dostupa k sisteme ili informatsii)
"Hackers found a backdoor access to the company’s database."
"Хакеры нашли скрытый доступ к базе данных компании." (khakery nashli skrytyy dostup k baze dannykh kompanii)
a small indication of what the future might be like
something new and refreshing
to hear something but quickly forget it
to make time, money, or space available
to think carefully about something
to write something quickly for later use