CS

Carlos Alberto Silva

Managing Director - Technology and Cybersecurity investments

📍 Porto, Porto, Portugal🔄 Updated September 2026💼 20 investments📅 12 years investing🗓 Last invested Nov 2025
VC🌍 Portugal20+ investmentsInvested this year
20
Total investments
2
Early stage
4
Mid stage
8
Late stage
12y
Years active

Portfolio

14 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Nov 2025
Apono, led by cybersecurity and DevOps experts. “Apono” is the Hawaiian word for “approve”. The Apono platform is loved by DevOps, trusted by Security - supports customers like OpenWeb, Cybereason, HiredScore, Tomorrow.io and many more in automating permission management. Providing a frictionless experience for users with the visibility and compliance needed by security to win more business. Apono helps customers move to zero standing, just in time permissions, get started in minutes at https://www.apono.io
Board Member
Jul 2024
We are developing the next generation of IoT embedded cybersecurity. Our technology equips every organization on the planet to build secure IoT devices with purpose-built technology.
Board Observer
Dec 2022
Panorays is a leading provider of innovative third-party security risk management solutions, helping organizations worldwide manage their vendor risk effectively and efficiently. Through its AI-powered platform, Panorays transforms the TPRM process, providing a comprehensive and secure solution for both vendors and evaluators. The company's commitment to innovation and excellence makes it the trusted choice for TPRM needs across various industries.
Board Member
Nov 2021
Combining the mindset of a CISO and the toolset of a hacker, SafeBreach is the pioneer in breach-and-attack simulation (BAS) and is the most widely used platform for continuous security validation. SafeBreach continuously executes attacks, correlates results to help visualize security gaps, and leverages contextual insights to highlight remediation efforts. With its Hacker’s Playbook™, the industry’s most extensive collection of attack data enabled by state-of-the-art threat intelligence research, SafeBreach empowers organizations to get proactive about security with a simple approach that replaces hope with data. We’re looking for hackers and trailblazers to join us. If youre passionate about technology and like to break things, we want to hear from you! Join us, and make an impact!
Board Observer
Dec 2020
Weaveworks empowers enterprises across all industries to unlock cloud agility and customer value with GitOps, a developer-centric operating model for Kubernetes. Founded in 2014, Weaveworks is a founding member of the Cloud Native Computing Foundation and creates and contributes to several open source projects, including Weave Scope, Weave Net, Cortex, Flux, Flagger and eksctl. Our products and services enable teams to design, build and operate their Kubernetes platform at scale. Benefit from repeatable, flexible Kubernetes cluster management across all infrastructure - in the cloud, hybrid clouds and on-premise. We hire creative, self motivated and empathetic people who are passionate about Cloud Native Technologies. Are you ready to contribute ideas, help solve complex problems, and make an impact? Join us.
Board Observer
Feb 2020
Cybersixgill continuously collects and exposes the earliest possible indications of risk, moments after they surface on the clear, deep and dark web. Our proprietary algorithms extract data from a wide range of sources, including content from limited-access deep and dark web forums, underground markets, invite-only messaging groups, code repositories, paste sites and clear web platforms, as well as an unparalleled archive of indexed, searchable historical data from as early as the 1990s. This data is processed, correlated and enriched with machine learning techniques to create profiles and patterns of malicious threat actors and their peer networks, delivering critical insight into the nature, source and context of each threat. Our extensive body of threat intelligence data can be consumed through various solution offerings and integrations, each addressing critical customer pain points and use cases. These solutions are scalable, searchable and seamlessly integrated into existing security stacks, quickly arming enterprises, government and MSSPs alike with accurate, relevant and actionable insights to proactively block threats before they materialize into attacks.
Board Member
May 2019
Cellwize is all about enabling the networks of the future today. With CHIME, our cloudified and AI-driven RAN automation and orchestration platform, we enable mobile network operators (MNOs) to accelerate 5G network deployment and go-to-market, as well as the ROI on their network investments. Even in the most complex and dynamic of network environments, CHIME enables operators to connect to any application and any vendor, as well as co-create on top of the platform, delivering unprecedented ease, speed, and agility. With the future of 5G already here, Chime is helping leading MNOs all over the world to launch and leverage their next-generation networks and face the future with confidence. http://www.cellwize.com
Board member
Jan 2019
Thales delivers cybersecurity products and services that keep people and assets safe, giving organisations confidence in the security of their digital journeys. As organisations turn to cloud and SaaS-based technologies, they are searching for smarter ways of reinforcing trust and resilience in their processes and infrastructures. Drawing on a global team of 6,000 cybersecurity experts and developers, we protect organisations by identifying, detecting and responding to the growing array of cyber threats. Our portfolio protects identities and data, along with all the paths that lead to it, encompassing services that include compliance and governance audits, threat detection and penetration tests. Thales is a global leader in cybersecurity - no.1 in data security - generating annual revenues in excess of €2 billion in this domain and operates in 148 countries worldwide. Building on this and on the expertise we have in industrial and critical systems, we deploy our service offering more specifically in the fields of transportation, aerospace, defence, government administrations, and finance in three operating models: • Cybersecurity Consulting and Architecture: Aimed at deploying a cybersecurity strategy adapted to the business and regulatory challenges of clients by taking the threat context (risk-based approach) into account: Security policies, audits, risk analyses, penetration tests, system certification. • Cybersecurity Solutions Integration: Aimed at deploying technologies adapted to the challenges of organisations and at protecting their assets: protection of data, industrial infrastructure, and information systems. • Detection and Response Services: Delivered from 8 Security Operations Centres (SOCs) around the world, these services detect attacks against monitored systems 24/7, and respond to them using our rapid intervention forces.
Board member
Jan 2019
Excellium Services is a cybersecurity services company established in Luxembourg since 2012 and more recently in Belgium, with activities and partnerships in Europe and Africa. We currently employ about 150 cybersecurity ninjas, willing to assist organizations to deal with evolving cybersecurity threats and challenges. Excellium’s main activities consist in : Cybersecurity Solutions, Security Operations Center Services 24x7, Incident Response and Security Infrastructure operations, training and formations. Excellium is a caring workplace where the culture is about diversity, inclusion and collaboration. We are continuously looking for passionate and talented people (who also enjoy babyfoot/foosball tournaments) so, if you’re interested in making a turning point in your career, don’t hesitate to contact us to join our team, also known as “the #XLMFamily”.
Board Member
Jul 2018
CASE on IT is the next generation specialist in customer's digital experience measurement and improvement, providing cutting-edge tools and innovative solutions for telecom operators, governments and companies. Our solution MEDUX enables our customers to outstand from their competitors, increase sales, reduce costs and enhance their value proposition by keeping their clients happy and satisfied anticipating their problems and avoiding complaints. MEDUX is delivered with a zero friction model, with no integration at all, no licenses, no training and zero hardware or software costs. Since MEDUX is built 100% by CASE with the latest and innovative technologies, we look for passionate engineers to be part of our talented team and drive MEDUX to the next level. MedUX proudly serves customers across 3 continents including Vodafone, O2, Orange, Movistar, Costa Rica Government, NOS, MásMóvil and Claro, among other mobile and fixed carriers, virtual operators and local and national government bodies.
Board Member
Jul 2018
Reblaze is the leading provider of cloud native web application and API protection (WAAP) in a fully managed security platform. Reblaze’s all-in-one solution includes next-gen WAF, DDoS protection, Bot Management, API security, ATO (Account Takeover) prevention, advanced rate limiting, biometric and behavioral threat detection, top-tier cloud integration, SIEM/SOC integration, Machine Learning, and more. The platform provides protection for all modern architectures: any combination of private/public cloud, single- and multi-cloud, hybrid, on-prem, containers, service meshes, and serverless. Reblaze provides full WAAP, visibility, and real-time control, all in a single pane of glass. Reblaze customers include Fortune 500 companies and innovative organizations across the globe.
Board Member
Nov 2017
Every year new technologies, vendors, and solutions emerge—yet despite this constant innovation, high-profile breaches are all over the headlines. In response, organizations have scrambled to develop a better security posture, but the dizzying array of options leaves resource-constrained IT and security leaders wondering how to proceed. Enter Arctic Wolf, the market leader in Security Operations. Using the cloud-native Arctic Wolf Aurora Platform, we help organizations end cyber risk by providing security operations as a concierge service. Arctic Wolf solutions include Arctic Wolf® Managed Detection and Response (MDR), Managed Risk, Managed Security Awareness, and Incident Response; each delivered by our Concierge Delivery Model. Highly-trained security experts work as an extension of internal teams to provide 24×7 monitoring, detection and response, as well as ongoing risk management to proactively protect organizations while continually strengthening their security posture.
Board Member
Nov 2017
Secucloud GmbH, a proven SASE platform provider, delivering network security from the cloud is a wholly-owned subsidiary of Aryaka Networks. Based in Hamburg, Germany, Secucloud GmbH offers an innovative platform designed to provide an all-in-one, global, cloud-based firewall-as-a-service, secure web gateway with advanced threat protection capabilities. The platform is engineered to connect all edges including WAN, Cloud, Mobile and IoT securely together. The Elastic Cloud Security System of Secucloud is unique of its kind on the market. By combining a wide variety of security systems in the ECS² architecture with a global security cloud infrastructure, companies receive a secure, scalable solution, which provides security in real time for every device on every location. The ECS² was developed from scratch as cloud architecture, to meet the new challenges presented by mobility, cloud applications and the Internet of Things. The Elastic Cloud Security System of Secucloud processes the Internet traffic of an almost infinite number of transactions and protects the user’s stationary, as well as mobile user devices, equally effectively on a worldwide scale. This offers the end customers maximum peace of mind: all devices are protected; software installation and manual updates are no longer necessary.
Board Member
Apr 2016
Bright Pixel is a group of experienced builders, creative thinkers and investors wanting to transform the way innovation meets companies and new ventures are born.
Experience · 24 entries
All (24)
Investments (20)
Founder (1)
Board (19)
2025
Investor
Nov 2025
Apono, led by cybersecurity and DevOps experts. “Apono” is the Hawaiian word for “approve”. The Apono platform is loved by DevOps, trusted by Security - supports customers like OpenWeb, Cybereason, HiredScore, Tomorrow.io and many more in automating permission management. Providing a frictionless experience for users with the visibility and compliance needed by security to win more business. Apono helps customers move to zero standing, just in time permissions, get started in minutes at https://www.apono.io
2024
Board Member
Jul 2024
We are developing the next generation of IoT embedded cybersecurity. Our technology equips every organization on the planet to build secure IoT devices with purpose-built technology.
2022
Board Observer
Dec 2022
Panorays is a leading provider of innovative third-party security risk management solutions, helping organizations worldwide manage their vendor risk effectively and efficiently. Through its AI-powered platform, Panorays transforms the TPRM process, providing a comprehensive and secure solution for both vendors and evaluators. The company's commitment to innovation and excellence makes it the trusted choice for TPRM needs across various industries.
Founder and Managing Partner
Aug 2022
33N Ventures is a specialized venture capital company. Its first fund invests across Europe, Israel and the US in early growth-stage companies developing and commercialising emerging technology solutions in cybersecurity and infrastructure software. 33N has an active approach in supporting companies to expand globally, with an experienced and established international team and an extensive global network of leading entrepreneurs, experts, and cybersecurity decision-makers across industries.
2021
Board Member
Nov 2021
Combining the mindset of a CISO and the toolset of a hacker, SafeBreach is the pioneer in breach-and-attack simulation (BAS) and is the most widely used platform for continuous security validation. SafeBreach continuously executes attacks, correlates results to help visualize security gaps, and leverages contextual insights to highlight remediation efforts. With its Hacker’s Playbook™, the industry’s most extensive collection of attack data enabled by state-of-the-art threat intelligence research, SafeBreach empowers organizations to get proactive about security with a simple approach that replaces hope with data. We’re looking for hackers and trailblazers to join us. If youre passionate about technology and like to break things, we want to hear from you! Join us, and make an impact!
Show all 24 entries ↓
Investment activity
2014–2025 · 20 investments
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