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Amos’s Cybersecurity Almanac: Like a dictionary, only cooler

Amos’s Cybersecurity Almanac: Like a dictionary, only cooler

Paul Ducklin
06/16/2026
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A splendid tradition

Before social media, before the internet, before TV, before movies and radio, people from all walks of life loved almanacks, which is how they spelled the word back then.

Following in this splendid tradition, SolCyber’s lovable mascot Amos provides regular, amusing, and easy-to-digest explanations of cybersecurity jargon and acronyms in AMOS THE ARMADILLO’S ALMANAC.

Even if you know all the terminology yourself, Amos will help you explain it to colleagues, friends, and family in an unpretentious, unintimidating way.

You can keep up with the latest Almanac entries by following @SolCyber on LinkedIn, searching for the hashtag #AmosArmadillo, or re-visiting this page.


A·B·C D·E·F G·H·I

J·K·L M·N·O P·Q·R

S·T·U V·W·X·Y·Z

Alphabetic index


A·B·C

AE (Authenticated encryption)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


APT (Advanced persistent threat)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Black Friday
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Breach fatigue
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


ClickFix attacks
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Credential stuffing
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


D·E·F

Daemon
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


DDoS (Distributed denial of service)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


De-anonymization
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Degaussing
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


DNS (Domain name system)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

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Easter egg
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

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EoP (Elevation of privilege)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


FDE (Full-disk encryption)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Fuzzing
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


G·H·I

GUID (Globally unique identifier)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


HTTPS
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


IAB (Initial access broker)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


IDS (Intrusion detection system)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


J·K·L

Jailbreaking
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Jitter
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Kerberoasting
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Kernel
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Keylogger
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

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Log4Shell
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


M·N·O

MDM (Mobile device management)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


MitM (Manipulator in the middle)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


NSA (National Security Agency)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Octet
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


P·Q·R

Pass-the-hash
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Pirate
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Public key
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Quantum apocalypse
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Quishing
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Race condition
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


RC4 (Ron’s Code Algorithm #4)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


RCE (Remote code execution)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Responsible disclosure
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Rootkit
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Rust
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


S·T·U

SCIF (Secure compartmented information facility)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Secure boot
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


SIM farm
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


SIM swap
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Singularity, the
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Slopsquatting
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Smart device
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Sniffer
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Social engineering
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Supercookie
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Sysadmin
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Syzygy
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Threat report
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Typosquatting
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


User agent
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


V·W·X·Y·Z

VPN (Virtual private network)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Wiper
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Worm
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


XYZZY
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


YAML (Yet another markup language)
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Zero-click
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

Further reading․․․
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Zero-day
Amos's Cybersecurity Almanac: Like a dictionary, only cooler - SolCyber

▼ Go to index – Back to top ▲


Alphabetic index

A Advanced persistent threat • AE • APT • Authenticated encryption

B Black Friday • Breach fatigue

C ClickFix attacks • Credential stuffing

D Daemon • DDoS • De-anonymization • Degaussing • Distributed denial of service • DNS • Domain name system

E Easter egg • Elevation of privilege • EoP

F FDE • Full-disk encryption • Fuzzing

G Globally unique identifier • GUID

H HTTPS

I IAB • IDS • Initial access broker • Intrusion detection system

J Jailbreaking • Jitter

K Kerberoasting • Kernel • Keylogger

L Log4Shell

M Manipulator in the middle • MDM • MitM • Mobile device management

N National Security Agency • NSA

O Octet

P Pass-the-hash • Pirate • Public key

Q Quantum apocalypse • Quishing

R Race condition • RC4 • RCE • Remote code execution • Responsible disclosure • Ron’s Code Algorithm #4 • Rootkit • Rust

S SCIF • Secure boot • Secure compartmented information facility • SIM farm • SIM swap • Singularity, the • Slopsquatting • Smart device • Sniffer • Social engineering • Supercookie • Sysadmin • Syzygy

T Threat report • Typosquatting

U User agent

V Virtual private network • VPN

W Wiper • Worm

X XYZZY

Y YAML • Yet another markup language

Z Zero-click • Zero-day

Paul Ducklin
Paul Ducklin
06/16/2026
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