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A practical introduction to zero trust network access
Key takeaways Zero trust is an architecture and a set of principles, not a product. NIST is explicit that no single component delivers it. The central shift is away from deciding trust by network location and towards deciding it per request, per resource, against current signals. Zero trust network access replaces the network-level tunnel with a broker that…
Securing your home Wi-Fi in 15 minutes
Key takeaways Your router is the one device every other device on your network depends on, and it is usually the one nobody has touched since it was installed. The two changes that matter most are the router's own admin password and keeping its software updated. Both take about three minutes. If your router is old enough that…
Cloud security for decision-makers
Key takeaways Moving to the cloud transfers some responsibilities to your provider and none of the ones that cause most breaches. Your data, your access rights, your configuration and your monitoring stay yours at every service level. IBM puts the global average cost of a breach at US$4.99 million in 2026, a record and a 12 percent rise…
What a VPN actually does, and whether you need one
Key takeaways A VPN does not make you invisible. It moves who is able to watch your browsing from your internet provider to a VPN company. The classic reason to buy one, protecting yourself on cafe Wi-Fi, has largely been solved by your browser. Almost all web traffic is now encrypted by default. Google is making Chrome ask…
SPF, DKIM and DMARC in practice
Key takeaways SPF and DKIM each validate a domain, but neither looks at the address your recipient actually sees. DMARC exists to connect them to that address, and that connection is called alignment. The DMARC specification was rewritten in May 2026. RFC 9989 replaces RFC 7489, and DMARC is now an IETF Standards Track protocol rather than an…
Ransomware: a business leader’s risk brief
Key takeaways The ransom is the smaller number. Recovery now costs an average of US$1.7 million per incident before any ransom is counted, and that figure rose 11 percent in a year even as ransom demands fell. The entry point has moved. For the first time in four years, exploited vulnerabilities are not the leading root cause. Email,…
Reading a CVE: CVSS, EPSS and KEV explained
Key takeaways A CVE record is an identifier and a description. It is not, on its own, a judgement about how urgent the vulnerability is for you. CVSS answers how bad exploitation would be, EPSS answers how likely exploitation is in the next 30 days, and CISA's KEV catalog answers whether exploitation has actually been observed. Since 15…
MFA for Business Leaders: What You Need to Know
Key takeaways MFA is the single highest-value security control most businesses can deploy, and it is usually low-cost or free. Microsoft reports it blocks more than 99% of automated account-compromise attacks, the kind that make up the vast majority of what hits your business daily. Not all MFA is equal. SMS codes are the weakest form and are…
HackOnChat WhatsApp Scam: How to Protect Your Account from Hijackers
Key takeaways: HackOnChat is a global scam, uncovered by security firm CTM360, that hijacks WhatsApp accounts using fake login pages. It works two ways: hijacking your WhatsApp Web session, or tricking you into handing over a verification code. The scam spreads through trust. Once an account is taken over, it messages that person's contacts asking for money or…
How to Spot a Phishing Email in 30 Seconds
Key takeaways: Most phishing emails can be spotted in under a minute with a few quick checks. The strongest signals are the real sender address, hidden link destinations, and pressure to act fast. Hover over links to see where they really go, and never open unexpected attachments. Polished writing no longer proves an email is safe, so judge…
October is National Cybersecurity Awareness Month: Stay Safe Online!
Key takeaways: Every October, Cybersecurity Awareness Month is a reminder to check your online habits and tighten them. You are not too small to be a target. Everyday users and small businesses are hit just as often as large ones. Four habits cover most of the risk: strong unique passwords, multi-factor authentication, phishing awareness, and keeping software updated.…
The Power of Strong, Unique Passwords — Your Digital Fortress
Key takeaways: Your password is the first line of defence for almost everything you do online, more important than any software. The biggest risk is reuse. If one site is breached, attackers try that same password everywhere else you use it. Length beats complexity. A long passphrase made of several random, unrelated words is both stronger and easier…
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