What Does FSB Mean? - Cyber Definitions

FSB

What Does FSB Mean in a Text?

home▸search f▸FSB

The Quick Answer

FSB means "Russian Federal Security Service," and "Front Side Bus."

Russian Federal Security Service

In Russian, FSB stands for "Federal'naya Sluzhba Bezopasnosti," which translates to "Federal Security Service" in English. It is the principal security agency of Russia and the main successor agency to the former Soviet Union's Committee of State Security (KGB). Its main responsibilities include counter-intelligence, internal and border security, counter-terrorism, and surveillance.

Front Side Bus

In the context of computing, FSB stands for Front Side Bus. It is an interface that connects the processor (CPU) to the main memory, chipset, and other components within a computer. It acts as a main communication highway through which data flows between the CPU and other key components such as memory (RAM), the graphics processing unit (GPU), and the system's chipset.

Image for FSB

When I write FSB, I mean this:

The FSB is the successor to the KGB and an interface that connects the CPU.

Summary of Key Points for the First Definition

"Russian Federal Security Service" is, by far, the most common meaning for FSB when it is used in a text. (Bear in mind that it could have another meaning if used in a different context.)

FSB
Definition:	Russian Federal Security Service
Type:	Abbreviation
Guessability:	5: Extremely difficult to guess
Typical Users:	Adults

Summary of Key Points for the Second Definition

"Front Side Bus" is a common definition for FSB in computing.

FSB
Definition:	Front Side Bus
Type:	Abbreviation
Guessability:	5: Extremely difficult to guess
Typical Users:	Specialists

An Academic Look at FSB

FSB is classified as an initialism abbreviation, as it is pronounced one letter at a time. Other examples of initialisms are:

• AI - "Artificial Intelligence."
• EW - "Electronic Warfare."

Initialisms are different to acronyms, which are abbreviations spoken as words. For example:

• GOAT - "Greatest Of All Time."
• FANG - "Facebook, Amazon, Netflix, and Google."

Example of FSB Used in a Text

FSB

This page is maintained by the Cyber Definitions Editorial Team.

You might also like...

Search All Abbreviations Beginning With The Letter F CSE (Communications Security Establishment, computer science engineering) DCSA (Defense Counterintelligence and Security Agency) DESNZ (Department for Energy Security and Net Zero) DHS (Department of Homeland Security) GCHQ (Government Communications Headquarters) GCSB (Government Communications Security Bureau) NSA (National Security Agency, no strings attached)

Help Us Improve Cyber Definitions

• Do you disagree with something on this page?
• Did you spot a typo?
• Do you know a slang term that we've missed?

Please tell us using this form.

Share This Page

If you like Cyber Definitions (or this page in particular), please link to it or share it with others. If you do, please tell us. It helps us a lot!

share

copy

Create a QR Code

Use our handy widget to create a QR code for this page...or any page.

Create a QR code

next up:

FS Take the test!

More Topics...

emoji library

(send a huge emoji)

sex & dating terms

(fine-tune your search)

spotting drug abuse

(protect loved ones)

saying "I love you"

(learn new ways)

encrypting messages

(get sneaky!)

gaming terms

(chat like a gamer)

spotting grooming

(protect loved ones)

numbers in texting

(improve brevity)

Spanish slang terms

(get "slangy" in Spanish)

using special symbols

(find the codes)

coronavirus terms

(remember covidiots)