Cyber Security

How to Stop Scammers from Sending Emails in Your Company's Name

How to Stop Scammers from Sending Emails in Your Company’s Name (Spoofing)

Article Summary: Email spoofing is when a scammer sends a message that appears to come from your domain, often to trick your clients or staff into paying a fake invoice or changing banking details. Three DNS records (SPF, DKIM, and DMARC) prove that a message really came from you and tell receiving mail servers to reject the ones that didn’t. The catch is that DMARC only protects you once it’s set to “quarantine” or “reject,” and a lot of businesses leave it on “none,” which monitors but does not block.

Right now, with no special tools, someone could send an email that looks like it came from your company.

The From line would show your domain, your logo could be pasted into the message, and it could ask one of your clients to pay an invoice or update banking details. This is called email spoofing, and it is one of the most common ways fraud against your clients and suppliers begins.

There are three settings you can add to your domain that make this much harder to pull off.

They’re called SPF, DKIM, and DMARC.

Most businesses have one or two of them set up and the third missing.

That’s usually all it takes to let a spoofed email through. This post explains what each one does, the setting most businesses get wrong, and how to check your own domain.

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QR Code Scams: What They Are and How to Protect Your Business

QR Code Scams: What They Are and How to Protect Your Business

Article Summary: QR code scams, sometimes called quishing, hides a malicious web link inside a QR code. Because the link is buried in an image instead of written as text, it slips past the email filters that normally catch bad links, and scanning the code usually moves the victim onto a personal phone that sits outside the company’s security. Microsoft reported a 146% rise in QR code phishing during the first quarter of 2026.

QR codes are part of normal business now.

You scan them to see a menu, pay for parking, connect to Wi-Fi, or open a shared document.

 Attackers know that, and they have started hiding malicious links inside QR codes to get past the security tools that would normally catch a bad link in an email.

The technique has a name, quishing, and it works because a QR code is just an image.

Your email filter reads text, so a link encoded into a QR code can pass straight through. When you scan it, you usually do so on your phone, which sits outside most of the protection your work computer has.

This post covers what a QR code scam is, why it gets past your security, what the common ones look like, and the habits that protect your business.

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How Small Business Ransomware Attacks Work (And How to Protect Against Them)

How Small Business Ransomware Attacks Work (And How to Protect Against Them)

Small businesses are the most common ransomware target by volume of incidents, even though many small business owners assume hackers focus on larger organisations. A 22-person company has enough revenue to be worth attacking, no dedicated security team to defend it, and a publicly traceable footprint that takes about an hour to research.

What follows is a step-by-step walkthrough of how a small business gets attacked, written from the attacker’s side. The company in this account is composite, but the methods are accurate to current threat intelligence reporting. After the walkthrough, you’ll see five specific points where the attack would have been stopped by controls that come bundled with security tools most small businesses already pay for.

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Why Human Habits Are Your Biggest Security Risk

Why Human Habits Are Your Biggest Security Risk

Most cyberattacks do not start with a sophisticated intrusion. They start with a click on a personal email, a reused password, or a file uploaded to a familiar cloud service because the approved option felt slower.

The Verizon Data Breach Investigations Report found that 68% of breaches involve the human element. 

Not a zero-day exploit. Not a brute-force attack on a hardened system. Human habits, in the course of an ordinary working day.

For businesses running cloud-based workflows across multiple devices, the personal and professional overlap is now the rule. Understanding where that overlap creates risk is no longer optional. It is a core part of modern security strategy.

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What is Passkey Migration and How Can It Help Your Team Eliminate Passwords?

What is Passkey Migration and How Can It Help Your Team Eliminate Passwords?

Your team locks everything down with passwords. Some are strong, some are not, and most have been reused somewhere over the years. Every month, IT fields reset requests. Every year, the same breach reports list stolen credentials as the leading cause.

There is now a more effective path, and it does not require users to memorise anything. 

Passkey migration is the process of moving from traditional passwords to passkeys: a form of phishing-resistant authentication that uses your device’s built-in security instead of a shared secret. 

It is practical, it is already supported by most major platforms, and the business case is hard to argue with.

Why Passwords Are Still the Biggest Risk

Passwords have had sixty years to prove themselves. The data tells a consistent story.

More than 80% of data breaches involve compromised credentials, a figure that has remained consistent year after year, according to the Verizon Data Breach Investigations Report.

The underlying problem has not changed: passwords are shared secrets that must be stored somewhere, and secrets that get stored eventually get stolen.

Multi-factor authentication (MFA) reduced that risk significantly and remains an important baseline. But SMS-based codes, still the most common form of MFA, have a known weakness. 

Modern phishing kits can intercept a one-time code in real time: a convincing fake login page captures both the password and the code, and uses them on the real site before the session expires.

Phishing-resistant authentication closes that gap by design. Passkeys make it technically impossible for a fraudulent page to trigger login on your real device, because the credential is cryptographically bound to the legitimate domain.

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The “Zombie” SaaS Audit: Finding the 3 Apps Your Former Employees Still Access

The Zombie Account SaaS Audit: Finding the 3 Apps Your Former Employees Still Access

Someone leaves the company on a Friday. By Monday, their email account is disabled, and their laptop is back in the pile.

What nobody checks is their login to the project management tool they signed up for in Q3, the cloud storage folder they shared with a contractor, or the CRM access they still have from two roles ago. 

Three months later, those sessions are still active.

This is how zombie accounts form. nNot through negligence, but through an offboarding process built around corporate IT assets that no longer reflects how people actually use software. 

The average company now runs more than 100 SaaS applications. Most offboarding checklists were written when there were three.

What a Zombie Account Actually Is

A zombie account is an active login that belongs to someone who no longer works for you. The name is informal. The risk is not.

What makes zombie accounts particularly dangerous is that they are valid credentials.

There is nothing to detect. The access was granted intentionally, and the system has no reason to question it. If a former employee walks back in through that door, or if their credentials are compromised after they leave, the access is there waiting.

Industry research finds that 50% of organisations have discovered former employees still accessing SaaS applications months after their departure date.

For most of those organisations, the discovery was accidental rather than the result of a deliberate audit.

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Is Your Invoice a Deepfake? Securing Your Accounts Payable Process Against Voice and Email Cloning

Is Your Invoice a Deepfake? Securing Your Accounts Payable Process Against Voice and Email Cloning

It’s a statistic that sends a shiver down the backs of SME owners, managers and employees.  

According to the Australian Federal Police report, business email compromise (BEC) cost Australian businesses more than $152.6 million last year.

This makes it one of the most financially damaging cybercrimes on record. 

AI has made these attacks harder to detect. The question for Accounts Payable (AP) teams is no longer whether they can identify suspicious requests. It is whether the processes around payments make fraud difficult regardless of how convincing it looks.

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Adversary-in-the-Middle Attacks: How Phishing Sites Steal Your Active Login

Adversary-in-the-Middle Attacks: How Phishing Sites Steal Your Active Login

You click a link, sign in, approve the MFA prompt, and get on with your day. Completely unaware that someone else just logged into your account at the same moment.

That scenario surprises many businesses, particularly those that rely on multi-factor authentication (MFA) to protect cloud accounts. But this is exactly how Adversary-in-the-Middle (AiTM) phishing attacks work. 

Rather than stealing passwords for later use, these attacks silently hijack an already-authenticated session in real time.

MFA remains a core control, and getting it implemented correctly is still a critical first step for any business. 

But AiTM attacks exploit something MFA was never designed to protect: the trusted session that exists after authentication has already completed.

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The "Session Cookie" Hijack: Why MFA Can’t Always Save You

The “Session Cookie” Hijack: Why MFA Can’t Always Save You

MFA is a strong front-door lock. But it’s not the only thing that decides whether someone can get in.

After you sign in, your browser keeps you logged in using a session token (often stored as a cookie). It’s the digital version of a wristband at an event: once you’ve been checked, the wristband proves you belong there. If an attacker steals that wristband, they may not need to beat your MFA prompt at all.

That’s the core of session cookie hijacking. The attacker isn’t “cracking” MFA. They’re skipping it by replaying your already authenticated session.

This isn’t a reason to stop using MFA. It’s a reason to stop treating MFA as the finish line. 

When sessions can be stolen, the practical defence shifts to layered controls: phishing-resistant sign-ins, device hygiene, tighter session policies, and detection that catches suspicious access early.

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Micro-SaaS Vetting: The 5-Minute Security Check for Browser Extensions

Micro-SaaS Vetting: The 5-Minute Security Check for Browser Extensions

Browser extensions have a funny reputation. They feel “small”. A quick install. A tiny productivity boost. A harmless little helper that lives in your toolbar.

But in practice, a browser extension is more like a micro-SaaS vendor sitting inside your browser session. It can see what you see, interact with the pages you open, and sometimes access the same cloud apps your business runs on all day.

That’s why a browser extension security check matters. 

Not because every extension is bad, but because it only takes one over-permissioned add-on or one bad update to turn “helpful” into exposure.

The good news is you don’t need a 40-page policy to reduce the risk. A simple five-minute check can prevent most extension problems before they start.

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