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John Leyden, Contributing Writer

John Leyden is an experienced cybersecurity writer, having previously written for the Register and Daily Swig.

Image source: Dorota Szymczyk via Alamy Stock Photo

Latest from John Leyden, Contributing Writer

The Manila skyline
Cyberattacks & Data Breaches
Philippines Pummeled by Assortment of Cyberattacks & Misinformation Tied to ChinaPhilippines Pummeled by Mix of Cyberattacks & Misinfo Tied to China
byJohn Leyden, Contributing Writer
Apr 26, 2024
5 Min Read
Rat poking its head out
Remote Workforce
Thousands of Australian Businesses Targeted With 'Reliable' Agent Tesla RATThousands of Australian Businesses Targeted With Agent Tesla RAT
byJohn Leyden, Contributing Writer
Apr 4, 2024
4 Min Read

All from John Leyden, Contributing Writer

Count Dracula castle in Transylvania
Endpoint Security
'Darcula' Phishing-as-a-Service Operation Bleeds Victims Worldwide
'Darcula' Phishing-as-a-Service Operation Bleeds Victims Worldwide
Mar 27, 2024
|
4 Min Read
byJohn Leyden, Contributing Writer
Australian flag on a keyboard button.
Cyber Risk
Australian Government Doubles Down On Cybersecurity in Wake of Major Attacks
Australian Government Doubles Down On Cybersecurity After Attacks
Mar 27, 2024
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5 Min Read
byJohn Leyden, Contributing Writer
Computer code on a screen with "ransomware" in red text
Cyberattacks & Data Breaches
South African Government Pension Data Leak Fears Spark Probe
South African Government Pension Data Leak Fears Spark Probe
Mar 18, 2024
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4 Min Read
byJohn Leyden, Contributing Writer
Israel and Iran flags with a burning line between them
Cyberattacks & Data Breaches
Israeli Universities Hit by Supply Chain Cyberattack Campaign
Israeli Universities Hit by Supply Chain Cyberattack Campaign
Mar 13, 2024
|
4 Min Read
byJohn Leyden, Contributing Writer
Python coiled up on a branch
Application Security
Japan Blames North Korea for PyPI Supply Chain Cyberattack
Japan Blames North Korea for PyPI Supply Chain Cyberattack
Mar 11, 2024
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4 Min Read
byJohn Leyden, Contributing Writer
Ransomware text with a skeleton face
Cyberattacks & Data Breaches
GhostLocker 2.0 Haunts Businesses Across Middle East, Africa & Asia
GhostLocker 2.0 Haunts Businesses Across Middle East, Africa & Asia
Mar 5, 2024
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4 Min Read
byJohn Leyden, Contributing Writer
A laptop screen showing ransomware infection and a discouraged user with his head in his hand.
Cyberattacks & Data Breaches
Ransomware-as-a-Service Spawns Wave of Cyberattacks in Middle East & Africa
Ransomware-as-a-Service Spawns Wave of Cyberattacks in MEA
Feb 29, 2024
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4 Min Read
byJohn Leyden, Contributing Writer
Iraqi flag button
Endpoint Security
Hacked Iraqi Voter Information Found for Sale Online
Hacked Iraqi Voter Information Found for Sale Online
Feb 20, 2024
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4 Min Read
byJohn Leyden, Contributing Writer
Backdoor security warning
Cyberattacks & Data Breaches
Islamic Nonprofit Infiltrated for 3 Years With Silent Backdoor
Islamic Nonprofit Infiltrated for 3 Years With Silent Backdoor
Feb 13, 2024
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4 Min Read
byJohn Leyden, Contributing Writer
South African banknotes
Endpoint Security
South African Railways Lost Over $1M in Phishing Scam
South African Railways Lost Over $1M in Phishing Scam
Feb 2, 2024
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3 Min Read
byJohn Leyden, Contributing Writer
The Hejaz Railway Hicaz Demiryolu in the Hejaz region of Saudi Arabia
ICS/OT Security
Saudi Arabia Boosts Railway Cybersecurity
Saudi Arabia Boosts Railway Cybersecurity
Jan 26, 2024
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3 Min Read
byJohn Leyden, Contributing Writer
The globe with a map of Africa in the center, with a keyboard behind
Cyberattacks & Data Breaches
Nigerian Businesses Face Growing Ransomware-as-a-Service Trade
Nigerian Businesses Face Growing Ransomware-as-a-Service Trade
Jan 19, 2024
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3 Min Read
byJohn Leyden, Contributing Writer
Google search results page
Cyberattacks & Data Breaches
UAE Faces Fresh Plague of Phishing Scams, Poisoned Searches
UAE Faces Fresh Plague of Phishing Scams, Poisoned Searches
Jan 11, 2024
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3 Min Read
byJohn Leyden, Contributing Writer
Plane in approach to Beirut airport
Cyberattacks & Data Breaches
Beirut Airport Cyberattack Targets Hezbollah
Beirut Airport Cyberattack Targets Hezbollah
Jan 8, 2024
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3 Min Read
byJohn Leyden, Contributing Writer
A keyboard with the Iran flag as one of the keys
Cyberattacks & Data Breaches
Pilfered Data From Iranian Insurance and Food Delivery Firms Leaked Online
Pilfered Data From Iranian Insurance and Food Delivery Firms Leaked Online
Jan 3, 2024
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3 Min Read
byJohn Leyden, Contributing Writer
An earthworm in soil
Cyberattacks & Data Breaches
Iranian 'Seedworm' Cyber Spies Target African Telcos & ISPs
Iranian 'Seedworm' Cyber Spies Target African Telcos & ISPs
Dec 20, 2023
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3 Min Read
byJohn Leyden, Contributing Writer

Editor's Choice

MITRE Corp's logo in blue
Endpoint Security
MITRE ATT&CKED: InfoSec's Most Trusted Name Falls to Ivanti BugsMITRE ATT&CKED: InfoSec's Most Trusted Name Falls to Ivanti Bugs
byNate Nelson, Contributing Writer
Apr 22, 2024
3 Min Read
The letters EDR/XDR amid binary code
Application Security
Evil XDR: Researcher Turns Palo Alto Software Into Perfect MalwareEvil XDR: Researcher Turns Palo Alto Software Into Perfect Malware
byNate Nelson, Contributing Writer
Apr 19, 2024
4 Min Read
Kuala Lumpur, Malaysia, skyline against the harbor at sunrise
Cyber Risk
Licensed to Bill? Nations Mandate Certification & Licensure of Cybersecurity ProsLicensed to Bill? Nations Mandate Certification of Cybersecurity Pros
byRobert Lemos, Contributing Writer
Apr 23, 2024
4 Min Read
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