Jaguar Land Rover cyberattack: How a lack of cybersecurity systems led to catastrophe!

Jaguar Land Rover cyberattack: How a lack of cybersecurity systems led to catastrophe!

Jaguar Land Rover cyberattack: How a lack of cybersecurity systems led to catastrophe!

by DuoCircle

 

Jaguar Land Rover, the biggest car manufacturer in the UK, has come to a complete standstill after the recent cyberattack incident. JLR is still struggling with the aftermath of the severe cyberattack. This unfortunate incident is a staggering reminder of how modern-day manufacturers are prone to threat attacks. 

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Verified Lists + Sequenced Outreach for Safer Sending

Verified Lists + Sequenced Outreach for Safer Sending

Cold outreach has always been a tightrope walk. On the other hand, businesses and recruiters are seeking to connect with new prospects and initiate conversations. On the other, sending too many emails to the wrong people at the wrong time can harm the sender’s reputation, kill deliverability, and even have a domain blacklisted.

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Why SPF, DKIM, and DMARC are becoming mandatory in sectors like aviation and energy

Why SPF, DKIM, and DMARC are becoming mandatory in sectors like aviation and energy

Why SPF, DKIM, and DMARC are becoming mandatory in sectors like aviation and energy

by DuoCircle

 

Email-based cyberattacks are everywhere. They are more rampant in some industries and have grave consequences in others. For sectors that operate on very high stakes, like aviation and energy, the impact of these attacks is usually very serious and sometimes, at a scale that can disrupt other critical services as well.

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VMware Exploit Attacks, AI Phishing Alert, Android Trojan Hijack – Cybersecurity News [September 29, 2025]

VMware Exploit Attacks, AI Phishing Alert, Android Trojan Hijack – Cybersecurity News [September 29, 2025]

VMware Exploit Attacks, AI Phishing Alert, Android Trojan Hijack – Cybersecurity News [September 29, 2025]

by DuoCircle

It was a busy week for cybersecurity threats. Hackers exploited a flaw in VMware software, giving them full control over virtual machines. At the same time, Microsoft flagged a phishing campaign that used AI written code in fake file sharing emails to trick victims. A new Android Trojan, Datzbro, also spread through fake senior community apps, letting criminals take over phones. To top it off, the Confucius group launched fresh phishing attacks, and researchers found a malicious Python package that secretly installed backdoors on Windows systems.

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SMTP Mail Service: The Backbone of Reliable Email Delivery

SMTP Mail Service: The Backbone of Reliable Email Delivery

 

The Simple Mail Transfer Protocol (SMTP) stands as the cornerstone of email delivery across the internet. As an email protocol, SMTP is responsible for the sending and relaying of messages between email servers in the TCP/IP suite. Designed originally in the 1980s, SMTP governs the outgoing mail server infrastructure and serves as the standard method used by mail transfer agents (MTAs) such as Postfix, Sendmail, Exim, and Microsoft Exchange Server to forward email from a mail user agent (MUA) or an email client to the destination email server.

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Phishing Protection: Secure PDF Invoice Handling

Phishing Protection: Secure PDF Invoice Handling

Invoice fraud doesn’t start with a Hollywood-grade hack. It starts with a believable message, a familiar vendor name, and a PDF that looks routine. Attackers know accounts payable runs on documents, so they hide social engineering and malware inside “invoice” attachments to reroute payments or plant a foothold. This guide lays out a practical, technical path to process PDF invoices safely—without turning your finance team into part-time security analysts.

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Verify DKIM: Checking Your Email’s DomainKeys Identified Mail Setup

Verify DKIM: Checking Your Email’s DomainKeys Identified Mail Setup

 

DomainKeys Identified Mail (DKIM) is a critical component of modern email authentication frameworks designed to enhance email security by verifying sender identities and ensuring message integrity. Introduced as an open standard and formalized by RFC 6376, DKIM employs public key cryptography to cryptographically sign email headers and message body, allowing mailbox providers like Google’s Gmail, Microsoft 365, and Yahoo to verify that emails originate from legitimate senders.

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