Our team The Tanto Clan

匠 (Tá-k(ú)-mí) Master Artisan

A skilled worker who practices his craft for more than 60 000 hours. Just like japanese Takumi Masters, we have dedicated ourselves to our craft. Instead of swords, we use our expertise.

Sharpen your security
A welcoming grayscale shoulder shot of Tanto Security's founders smiling in business attire.
Security can get complicated and deciding which partners to work with can be difficult. Tanto was started to ensure your team gets the most out of their security engagements. We do this with some serious technical talent that is backed by passion and experience.
A grayscale headshot of Lloyd Simon.
Lloyd Simon  

Lloyd has extensive experience across security consulting in the areas of penetration testing and adversary simulation. Lloyd studied Information Technology at University and holds a significant number of industry certifications.

Lloyd has extensive experience across security consulting in the areas of penetration testing and adversary simulation. Lloyd studied Information Technology at University and holds a significant number of industry certifications.

Lloyds most recent experience has focused on developing tools and techniques for offensive security operations. This experience helps Lloyd and the team stay at the edge of real world threats. Lloyd has worked in security consulting helping customers across all major industries to identify vulnerabilities to enable them to improve their security.

Lloyd co-founded TantoSec so he could share this knowledge and help organisations improve their security posture and achieve the security objectives they have set. Lloyd is the Managing Partner of TantoSec and is responsible for ensuring the business delivers on our targets while also being involved in delivery to customers.

When not looking to learn something new in security or trying to beat Marcio in chess Lloyd is an avid Melbourne Demons fan and when they won the Grand Final in 2021 he took it as a sign he should start TantoSec.

A grayscale headshot of Marcio Almeida.
Marcio Almeida  

Marcio brings to the team expertise across Application Security and Red Teaming. He has a Masters in Computer Science with a specialisation in Application Security and Cryptography. This academic background is complimented by a passion for testing the limits of hardware and software, something Marcio has been doing for most of his life. [...]

Marcio brings to the team expertise across Application Security and Red Teaming. He has a Masters in Computer Science with a specialisation in Application Security and Cryptography. This academic background is complimented by a passion for testing the limits of hardware and software, something Marcio has been doing for most of his life.

Marcio has presented at industry leading events and delivered projects across penetration testing, code reviews, exploit development, secure development, automation of red team environments, DevSecOps and Red Team operations. This spreads across all major industries from critical infrastructure, telecommunications, technology, finance and government.

Marcio co-founded TantoSec because he saw an opportunity in the market for a high quality security consultancy where he could help our customers utilise the skillset he has built over the last few decades to improve their security. Marcio is responsible for ensuring quality of our services is maintained and managing the innovation within the group.

Aside from being passionate about hacking things, he is also a gamer, guitarist and loves chess.

A grayscale shot of Marco Cantarella.
Marco Cantarella 

Marco has been working in information security for over ten years. He has worked with customers from large to small and projects of all descriptions. Whether it is a small once off annual pen test or designing, implementing and maintaining of an annual program of works encompassing multiple multiple services. [...]

Marco has been working in information security for over ten years. He has worked with customers from large to small and projects of all descriptions. Whether it is a small once off annual pen test or designing, implementing and maintaining of an annual program of works encompassing multiple multiple services.

The years of being involved in the security community has been incredibly rewarding and the desire to build a better and fairer security consultancy led to the co-founding of TantoSec. Marco’s responsibilities here include commercial and customer management.

Aside from trying to keep up with the ever evolving security landscape Marco still tries to play football in his spare time. By football, he means soccer.

OUR OFFER How we help
Much like the Tanto was used by Samurai to exploit gaps in armour, our services are designed to identify where you are most susceptible to attack. Once those risks are identified we can work with you to address these and improve your security posture.

Let our seasoned experts sharpen your cyber security. Call 1300 1 TANTO 82686 or send us a message.

CONTACT Let’s talk

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Level 4, 350 Collins Street
MELBOURNE VIC
3000 AUSTRALIA

Level 1, 234 George Street
SYDNEY NSW
2000 AUSTRALIA

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