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MUST READ

Taking over millions of developers exploiting an Open VSX Registry flaw

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OneClik APT campaign targets energy sector with stealthy backdoors

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APT42 impersonates cyber professionals to phish Israeli academics and journalists

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Kai West, aka IntelBroker, indicted for cyberattacks causing $25M in damages

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Cisco fixed critical ISE flaws allowing Root-level remote code execution

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U.S. CISA adds AMI MegaRAC SPx, D-Link DIR-859 routers, and Fortinet FortiOS flaws to its Known Exploited Vulnerabilities catalog

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CitrixBleed 2: The nightmare that echoes the 'CitrixBleed' flaw in Citrix NetScaler devices

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Hackers deploy fake SonicWall VPN App to steal corporate credentials

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Mainline Health Systems data breach impacted over 100,000 individuals

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Disrupting the operations of cryptocurrency mining botnets

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Prometei botnet activity has surged since March 2025

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The U.S. House banned WhatsApp on government devices due to security concerns

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Russia-linked APT28 use Signal chats to target Ukraine official with malware

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China-linked APT Salt Typhoon targets Canadian Telecom companies

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U.S. warns of incoming cyber threats following Iran airstrikes

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McLaren Health Care data breach impacted over 743,000 people

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American steel giant Nucor confirms data breach in May attack

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The financial impact of Marks & Spencer and Co-op cyberattacks could reach £440M

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Iran-Linked Threat Actors Cyber Fattah Leak Visitors and Athletes' Data from Saudi Games

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 50

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VISA

Pierluigi Paganini September 30, 2021
Experts show how to make fraudulent payments using Apple Pay with VISA on locked iPhones

Security researchers devised a new attack method against iPhone owners using Apple Pay and Visa payment cards. Boffins from the University of Birmingham and the University of Surrey exploited a series of vulnerabilities in an attack against iPhone owners using Apple Pay and Visa payment cards. A team of researchers has demonstrated a new attack […]

Pierluigi Paganini October 04, 2020
Visa shares details for two attacks on North American hospitality merchants

Visa revealed that two unnamed North American hospitality merchants have been infected with some strains of point-of-sale (POS) malware. US payments processor Visa revealed that two North American hospitality merchants have been hacked, threat actors infected the systems of the two unnamed organizations with some strains of point-of-sale (POS) malware. According to a security alert […]

Pierluigi Paganini September 06, 2020
Visa warns of new sophisticated credit card skimmer dubbed Baka

Visa issued a warning regarding a new credit card JavaScript skimmer, tracked as Baka, that implements new features to evade detection. Visa issued a warning regarding a new e-skimmer known as Baka that removes itself from memory after having exfiltrating payment card details. The e-skimmer was first spotted by experts with Visa’s Payment Fraud Disruption […]

Pierluigi Paganini December 13, 2019
VISA warns of cyber attacks on PoS systems of fuel dispenser merchants

VISA is warning of ongoing targeted cyber attacks conducted by crooks on point-of-sale (POS) systems of North American fuel dispenser merchants. According to a security alert published by VISA, the PoS systems of North American fuel dispenser merchants are under attack. Visa Payment Fraud Disruption (PFD) reported that at least three attacks took place this summer, crooks […]

Pierluigi Paganini November 15, 2019
A new sophisticated JavaScript Skimmer dubbed Pipka used in the wild

Visa Payment Fraud Disruption warns of a new JavaScript skimmer dubbed Pipka used to siphon payment data from e-commerce merchant websites. Visa Payment Fraud Disruption warns of a new JavaScript skimmer dubbed Pipka that was used by crooks to steal payment data from e-commerce merchant websites. Experts discovered the Pipka while investigating an e-commerce website […]

Pierluigi Paganini June 01, 2018
Visa payments DOWN: Millions affected by a service disruption

The Visa card payment system is suffering a widespread outage across Europe, millions of users were unable to make payments using their cards. Shoppers and travelers were unable to make payments with their cards since at around 2.30pm on Friday across Europe. At the time of writing, Visa confirmed the widespread problems but did not […]

Pierluigi Paganini April 01, 2018
Any social media accounts to declare? Visa applicants would have to declare them

The US Department of State wants to ask visa applicants to provide details on the social media accounts they’ve managed in the past five years. The US Government wants to make it mandatory for all foreigners (immigrant /non-immigrant) to provide social media details, telephone numbers, email addresses, and international travel during this period. when applying for […]

Pierluigi Paganini December 03, 2016
Distributed Guessing Attack to hack VISA cards in just six seconds

A group of security researchers discovered a new method dubbed Distributed Guessing Attack to hack VISA credit card in just 6 seconds. A group of security researchers from the Newcastle University devised a method to hack VISA credit cards is just six seconds. The technique relies on a Distributed Guessing Attack in which online payment websites […]

Pierluigi Paganini July 03, 2016
Do you want enter in the US? Give me your social media details

The US border authority seeks individuals that want to enter in the Country into providing their social media details in order to improve their screening. It is not a joke, travellers that ask for a visa waiver entry to the US may be asked to provide their social media details. I’m speaking about a proposal of […]

Pierluigi Paganini May 26, 2016
Dozens of VISA HTTPS-protected sites vulnerable to Forbidden attack

  Dozens of HTTPS-protected websites belonging to Visa are vulnerable to Forbidden Attack, nearly 70,000 servers are at risk. A new attack technique dubbed ‘Forbidden attack’ expose dozens of HTTPS Visa sites vulnerable to cyber attacks and roughly another 70,000 servers are at risk. A group of international researchers (Hanno Böck, Aaron Zauner, Sean Devlin, Juraj Somorovsky, […]

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    recent articles

    Taking over millions of developers exploiting an Open VSX Registry flaw

    Hacking / June 27, 2025

    OneClik APT campaign targets energy sector with stealthy backdoors

    Hacking / June 27, 2025

    APT42 impersonates cyber professionals to phish Israeli academics and journalists

    APT / June 27, 2025

    Kai West, aka IntelBroker, indicted for cyberattacks causing $25M in damages

    Cyber Crime / June 26, 2025

    Cisco fixed critical ISE flaws allowing Root-level remote code execution

    Security / June 26, 2025

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    pierluigi.paganini@securityaffairs.co

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