Weekly threat roundup: Android, Windows, Purple Fox
Graphic showing a red unlocked padlock surrounded by blue locked padlocks
vulnerability

Weekly threat roundup: Android, Windows, Purple Fox

Pulling together the most dangerous and pressing flaws that businesses need to patch
25 Mar 2021
CNA Financial suffers extensive network disruption following cyber attack
Ransomware message on a computer screen
ransomware

CNA Financial suffers extensive network disruption following cyber attack

The Chicago-based insurer took down its website and systems to mitigate potential damage from the attack
24 Mar 2021
Purple Fox malware can now spread between Windows devices
An origami purple fox on a wooden surface
malware

Purple Fox malware can now spread between Windows devices

The rootkit has added self-propagating capabilities to its arsenal with roughly 100,000 machines already infected
24 Mar 2021
Sierra Wireless halts production after ransomware attack
Visual representation of ransomware by showing encrypted files on a display
ransomware

Sierra Wireless halts production after ransomware attack

The attack, which brought down the IoT firm's internal IT systems, also prompted the company to withdraw its Q1 2021 guidance
24 Mar 2021
University of Northampton hit by cyber attack
University of Northampton logo sign on new building on nene river
cyber attacks

University of Northampton hit by cyber attack

The university has rolled out a number of “temporary solutions” after the attack disrupted its IT and telephone systems
24 Mar 2021
What is cyber warfare?
Cyber warfare depicted by code on two monitors with a soldier in background
Security

What is cyber warfare?

We explain what cyber warfare is and why you need to pay attention to the threats posed
23 Mar 2021
Fake COVID vaccination certificates available on the dark web
Woman's hand holding a COVID-19 vaccination card
hacking

Fake COVID vaccination certificates available on the dark web

Fast-growing market emerges for people wanting quick vaccine proof to travel abroad
23 Mar 2021
Researchers discover threat actors with links to SolarWinds hack
A group of hackers behind the Russian flag
hacking

Researchers discover threat actors with links to SolarWinds hack

Report shines a light on the overlap between SilverFish cybercrime group victims and SolarWinds targets
22 Mar 2021
F5 Networks BIG-IP flaw is the latest to be exploited by hackers
A concept image of a hacker behind a stream of binary
exploits

F5 Networks BIG-IP flaw is the latest to be exploited by hackers

Researchers identify ‘full chain exploitation’ targeting one of the seven now-patched remote code-execution flaws
22 Mar 2021
Acer falls victim to $50 million ransomware attack
Acer logo on top of glass building with overcast sky in background
ransomware

Acer falls victim to $50 million ransomware attack

The REvil ransomware gang reportedly targeted a Microsoft Exchange server on the Taiwanese PC giant's domain
22 Mar 2021
Hackers target US taxpayers with NetWire and Remcos malware
Malware in code
malware

Hackers target US taxpayers with NetWire and Remcos malware

Attackers are attempting to lure victims with malware-laced Word documents that purport to contain tax-related content
19 Mar 2021
Hackers auction stolen CD Projekt data with ‘charity fundraiser'
The Witcher Wild Hunt 3 game on PS4 Console
ransomware

Hackers auction stolen CD Projekt data with ‘charity fundraiser'

Hacker announcement discovered on a Tor site likely linked to 'HelloKitty' ransomware gang
19 Mar 2021
"Desperate" job seekers turn to hacking forums for paid work
A hacker wearing black gloves using a laptop keyboard
hacking

"Desperate" job seekers turn to hacking forums for paid work

Check Point uncovers a worrying new trend of individuals begging cyber criminals for work that would earn them cash quickly
18 Mar 2021
Weekly threat roundup: DuckDuckGo, Chrome, Cisco
Graphic showing a red unlocked padlock surrounded by blue locked padlocks
vulnerability

Weekly threat roundup: DuckDuckGo, Chrome, Cisco

Pulling together the most dangerous and pressing flaws that businesses need to patch
18 Mar 2021
US intelligence agencies deny 2020 election was 'hacked'
A chain and US flag padlock on a computer keyboard
hacking

US intelligence agencies deny 2020 election was 'hacked'

But hackers did try to compromise networks that managed elections, report finds
17 Mar 2021
Mimecast dumps SolarWinds after hackers breached its network
Mimecast logo seen displayed on a smartphone
hacking

Mimecast dumps SolarWinds after hackers breached its network

The email security firm has confirmed that SolarWinds hackers gained access to a "limited number of our source code repositories"
17 Mar 2021
Twitter hacker will serve three years in prison for infamous Bitcoin scam
The Twitter logo in the background of a a coin representing the physical embodiment of Bitcoin
hacking

Twitter hacker will serve three years in prison for infamous Bitcoin scam

The 18-year-old duped Twitter users into giving away Bitcoin by infiltrating dozens of accounts belonging to high-profile figures
17 Mar 2021
NCSC issues Exchange hack warning as Microsoft probes security partner leak
The NCSC's official web page
hacking

NCSC issues Exchange hack warning as Microsoft probes security partner leak

An estimated 7,000 UK servers have been affected by the vulnerabilities and only half have been secured
15 Mar 2021
Trouble is brewing at Molson Coors after massive hack
Sign showing all the Coors brands
Security

Trouble is brewing at Molson Coors after massive hack

The hack has impacted the brewer’s beer-making capabilities
12 Mar 2021
Microsoft warns of ransomware attacks as Exchange hack escalates
Large Microsoft sign on a show floor at Ignite 2019
ransomware

Microsoft warns of ransomware attacks as Exchange hack escalates

Defender researchers are attempting to block a ransomware strain known as DearCry
12 Mar 2021
Weekly threat roundup: Internet Explorer, Linux, GitHub
Graphic showing a red unlocked padlock surrounded by blue locked padlocks
vulnerability

Weekly threat roundup: Internet Explorer, Linux, GitHub

Pulling together the most dangerous and pressing flaws that businesses need to patch
11 Mar 2021
Chinese hackers target Linux systems with RedXOR backdoor
A hacker wearing glasses in a dark room with the Chinese flag shown in the background on a computer display
malware

Chinese hackers target Linux systems with RedXOR backdoor

Linux servers hit by malware developed using an end-of-life Red Hat compiler
11 Mar 2021
Hackers breach security cameras at Cloudflare, Tesla and more
Security CCTV camera installed indoor
hacking

Hackers breach security cameras at Cloudflare, Tesla and more

The Verkada attack also saw 'Arson Cats' hackers access cameras in schools, prisons, and hospitals.
10 Mar 2021
Microsoft patches actively exploited Internet Explorer flaw
The Internet Explorer icon as seen on a smartphone in behind a screen with lines of code
vulnerability

Microsoft patches actively exploited Internet Explorer flaw

The latest Patch Tuesday sees the Windows developer patch a fifth actively exploited bug disclosed within a week
10 Mar 2021