Calexi

16/04/2026

At Calexi, we don’t accept mediocre. We learn fast and keep moving.

We see the same failures every day.
Systems and security that don’t hold under pressure.
Shiny, expensive tools that are never properly implemented and never reach where they matter.

How?

We engineer solutions.
We are solving communications in denied and degraded environments.
We are delivering capability onto the battlefield where it matters.
We are protecting Defence industry and critical infrastructure against real threats.

If you’re dealing with these problems or want to be part of what we’re building, reach out.

Watch what comes next.

26/03/2026

This is the kind of problem we’re thinking about at Calexi.

The fuel disruptions emerging across Australia raise a simple question:

What’s the real impact for our clients? So we wrote an article have a read and if you want help with review or planning. Reach out.

Work in IT or cyber security and think a war in the Middle East won’t impact you? Think again. Australia is already seeing early indicators of interruption from fuel rationing at service stations, freight pressure, and rising costs.

20/03/2026

Don’t believe this post!

If you trust everything you see online by default… you’re taking a risk.

These days, it’s not just misinformation, it’s manufactured.
- Videos get clipped.
- Context gets removed.
- Stories get reshaped.

From deepfakes to AI-generated content to bots pushing outrage, what you’re seeing online isn’t always the full picture.

And it’s often designed that way.

So who can you trust?

- Honestly, no single source. Not blindly. Not even this.

Because:
- Even trusted organisations shape their messaging
- Even experts have bias
- Even real content can be edited or taken out of context

The answer isn’t to switch off.

It’s to slow down and think.
Check more than one source

Ask “what’s missing here?” Be cautious of big claims or emotional reactions Look for balance, not just certainty

Most people can’t reliably tell real from fake content anymore and misinformation is everywhere.

So the best defence isn’t a tool. It’s your judgement and that takes a bit of effort.

At Calexi, we don’t push one answer or one product.

We help you understand your options so you can make the right call for yourself.

No hype. No pressure.

Just clear advice. At Calexi we have your back.

Calexi delivers Canberra-based, security-cleared consultants delivering cyber security, ICT engineering and OT security for Defence, government and critical infrastructure across Australia. Essential Eight, ISM, PSPF & SOCI readiness.

13/03/2026

Cyber activity is rising following the escalation between the United States, Israel and Iran.

Hacktivist groups are mobilising online and launching DDoS attacks, website defacements and data leak campaigns against Western organisations.

These campaigns often spread beyond the immediate conflict and begin targeting allied countries and supply chains.

For Australian defence industry and critical infrastructure organisations this is a good reminder to review the basics. Check MFA coverage, patch internet facing systems, monitor logs and ensure incident response plans are ready.

You can read the threat reporting here:

https://www.intel471.com/blog/israeli-us-strikes-against-iran-triggers-a-surge-in-hacktivist-activity

06/03/2026

Do not be the weak link that lets your family get targeted.

Many everyday mobile apps collect advertising and location data in the background. When that data is analysed over time it can reveal where someone lives, where they work, and their daily routines.

Recent investigations have shown how this type of data can expose movements between workplaces and private homes.

The good news is that reducing your exposure is simple.

Take a few minutes to:

• delete apps you no longer use
• remove old or unsupported apps
• review which apps have location access
• check what apps your children are installing

Most apps are harmless, but every unused app is another potential data tap you probably do not need running.

A quick clean-up of your phone is sometimes one of the simplest cyber security steps you can take.

Article referenced:
https://www.lemonde.fr/en/pixels/article/2025/12/13/how-french-spies-police-and-military-personnel-are-betrayed-by-advertising-data_6748453_13.html

Using easily accessible advertising data, Le Monde was able to pinpoint the identities, home addresses and daily routines of several dozen people working for sensitive official entities.

27/02/2026

We see Essential Eight treated as the end goal far too often.

In reality, it is just the foundation. When E8 is built properly, improving security over time becomes much easier and far less disruptive.

The key is getting the basics right from the start and designing security that grows with the business.

That is how we approach it at Calexi. We have your back.

19/02/2026

In small business environments, cyber security usually fails at the worst possible moment. During growth, change, or pressure.

This is why overly complex solutions struggle. They look impressive but are fragile and hard to sustain.

SMEs need boring, dependable security that keeps working when things get busy.

Consistency is king and stick to the KISS principle.

That is the mindset we design around.

12/02/2026

We see this a lot. Organisations that look compliant on paper but struggle when something changes or things go to clag.

If your Essential Eight only comes out at audit time, it is not doing much to protect you.

Practical cyber security runs every day, supports the business, and produces evidence as a result of normal operations.

That is the difference between compliance and resilience.

05/02/2026

Being a small Defence supplier is not a cyber disadvantage.

In many cases, it is the opposite. Fewer systems, fewer users, and clearer accountability can make strong security easier to achieve.

Where SMEs struggle is when they are told to copy what large enterprises do without the people or budget to sustain it.

Security should fit how your organisation actually operates.

29/01/2026

Being a small Defence supplier is not a cyber disadvantage.

In many cases, it is the opposite. Fewer systems, fewer users, and clearer accountability can make strong security easier to achieve.

Where SMEs struggle is when they are told to copy what large enterprises do without the people or budget to sustain it.

Security should fit how your organisation actually operates.