SecurityBrief UK - Technology news for CISOs & cybersecurity decision-makers

Trojan stories

Dark whatsapp malware tentacles target brazilian online banking

Brazilian banking trojan hijacks WhatsApp for spread

Thu, 15th Jan 2026
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malware
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phishing
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email security
A new Astaroth banking trojan variant hijacks WhatsApp Web to self-spread via chats while silently stealing Brazilian banking credentials.
Dark server room ransomware attack shadowy hacker hands locks

Storm-0249 hijacks security tools to fuel ransomware

Wed, 7th Jan 2026
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malware
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firewalls
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ransomware
Storm-0249 hijacks trusted security and Windows tools to stealthily broker high-value network access for ransomware operators.
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Jack Tomson named Chief Growth Officer at Trojan to boost D2C

Thu, 30th Oct 2025
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cx
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martech
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commerce systems
Jack Tomson joins Trojan as Chief Growth Officer to accelerate its European expansion and boost direct-to-consumer strategies for FMCG brands.
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New SparkCat Trojan targets AppStore & Google Play users

Wed, 12th Feb 2025
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malware
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advanced persistent threat protection
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supply chain
Kaspersky has uncovered a new Trojan, SparkCat, that stealthily steals sensitive data from app users by scanning image galleries on AppStore and Google Play.
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Kaspersky reports rise in malware threats & attacks in 2024

Thu, 19th Dec 2024
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malware
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data protection
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phishing
Kaspersky's latest report reveals a 14% rise in daily malware detection, with 467,000 malicious files identified each day in 2024.
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Elastic Security Labs reveals new GOSAR backdoor threat

Wed, 18th Dec 2024
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malware
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cybersecurity
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windows
Elastic Security Labs has unveiled GOSAR, a sophisticated new Golang-based malware family, targeting Chinese-speaking victims with advanced evasion techniques.
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Check Point reveals rise of NJRat & AgentTesla in cyber threat landscape

Thu, 9th Nov 2023
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endpoint protection
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edr
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online shopping
Check Point's latest Global Threat Index exposes a surge in Remote Access Trojan NJRat and an AgentTesla campaign.
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Kaspersky uncovers 3-year old supply chain attack campaign

Fri, 22nd Sep 2023
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endpoint protection
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supply chain
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edr
Kaspersky identifies new Linux-targeting malware campaign using infected Free Download Manager software, stealing sensitive information.
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Infoblox reveals attackers shift in malware tactics

Wed, 26th Jul 2023
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cybersecurity
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infoblox
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trojan
Infoblox reports that the Decoy Dog remote access trojan (RAT) toolkit, suspected to be used in nation-state cyber attacks, is spreading and evolving.
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Check Point reveals Trojan Qbot most prevalent malware of 2023

Wed, 12th Jul 2023
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malware
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advanced persistent threat protection
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supply chain
Check Point Software Technologies reveals that the Trojan Qbot is the most prevalent malware of 2023, with SpinOk and ransomware also causing concern.
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Trojanised WhatsApp and Telegram applications stealing crypto funds

Mon, 20th Mar 2023
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crypto
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blockchain
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cybersecurity
Rhreat actors are going after victims' cryptocurrency funds using trojanised Telegram and WhatsApp applications.
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Check Point reveals top threats and targeted industries for February 2023

Wed, 15th Mar 2023
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malware
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phishing
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advanced persistent threat protection
Check Point Software Technologies has released its Global Threat Index for February 2023, highlighting the return of the Remcos Trojan to the top ten list.
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Zimperium reveals new Android threat 'the Schoolyard Bully'

Wed, 7th Dec 2022
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endpoint protection
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edr
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google
Zimperium has revealed details of a newly discovered Android threat campaign that has been stealing Facebook credentials from unsuspecting users since 2018.
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Trojan cyber attacks hitting SMBs harder than ever - Kaspersky

Mon, 23rd May 2022
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cybersecurity
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education, learning & training
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smb
In 2022 the number of Trojan-PSW detections increased by almost a quarter compared to the same period in 2021 to reach 4,003,323.
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Malicious cryptocurrency scheme targets Android and iOS users

Mon, 28th Mar 2022
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malware
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crypto
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blockchain
Researchers have discovered a sophisticated malicious cryptocurrency scheme that targets mobile devices running Android or iOS.
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Kaspersky uncovers malicious version of Whatsapp mod

Thu, 26th Aug 2021
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application security
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cybersecurity
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apps
Malicious FMWhatsapp mod discovered spreading Triada mobile Trojan, leaving users vulnerable to illegal activity.
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Agent Tesla Trojan can evade endpoint protection, Sophos reports

Thu, 4th Feb 2021
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malware
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firewalls
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network infrastructure
Agent Tesla originally surfaced in 2014. It is widely available on criminal marketplaces, and continues to evolve.
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A brief history of cyber-threats — from 2000 to 2020

Tue, 12th Jan 2021
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malware
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ransomware
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cybersecurity
Sophos presents a 20-year retrospective of cyber-threats, from the Worm Era to the Monetisation Era and the current Ransomware Era.
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Kaspersky identifies new banking malware targeting mobile users

Wed, 11th Nov 2020
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malware
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cybersecurity
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kaspersky
Kaspersky discovers new banking malware that targets mobile users worldwide, with a particular focus on Brazil.
Dark web

ESET discovers campaign stealing bitcoins from darknet users

Tue, 22nd Oct 2019
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crypto
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blockchain
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defi
ESET researchers have discovered a trojanised Tor Browser that cybercriminals use to steal bitcoins from darknet market buyers.