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Institutional Development

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Cover of the research "Far from the center" by Casa Hacker. On the left, on a dark background, the Casa Hacker logo, the tag "// RESEARCH · 2022 CENSUS", the title "Far from the center", the phrase "The periphery of Campinas read tract by tract, by distance to Estação Cultura" and the numbers: 333,939 people 10 km or more away, 2,592 tracts and 550 neighborhoods. On the right, the map of Campinas with the 2,592 census tracts in four shades of blue by distance to Estação Cultura, from lightest in the center to darkest at the edge, with circles every kilometer and the 10 km one dashed in violet. To the west, the outline of the Campo Grande district and a green point on the bridge of Avenida John Boyd Dunlop over the Rodovia dos Bandeirantes, with the tag "The bridge · km 95".

Far from the centre: what the 2022 Census shows about the periphery of Campinas

333,939 people, 29.3% of Campinas, live 10 km or more from the center. There, the median income of the head of household is R$ 2.567, compared to R$ 3.791 nearby, and there are more Black and brown people, more children, and less piped sewage. But distance doesn't explain everything: direction also matters.

Geraldo Barros
The image consists of an informational card produced by the organisation Casa Hacker based on 2022 Census data about the Campo Grande district in Campinas. On the left side, against a dark background, the institution's logo stands out, along with the category label "// RESEARCH · 2022 CENSUS", the highlighted title "Campo Grande" and the summary "Demographics, income, education and connectivity in the district of the Northwest region of Campinas, read tract by tract", accompanied by statistics of 125,044 people, 256 tracts and 43 neighbourhoods. On the right side, a cartographic visualisation of the district's perimeter is displayed, divided by census tracts and represented through a palette of purple, lilac and dark grey areas with geographic hatching.

Campo Grande: demographics, income, education and connectivity in the IBGE 2022 Census

Territorial diagnosis of the Campo Grande district, Northwest region of Campinas (SP), based on sample microdata and census tract aggregate data from the IBGE 2022 Demographic Census: demographics, income, education, occupation and connectivity, featuring an interactive map of the 256 tracts and a critical reading of the territory.

Geraldo Barros
Six people seated side by side, in profile, listening attentively during a group conversation.

Multi-institutional territorial arrangements: shared governance

Organizations in our territories have been coming to us with an invitation to build together, not to execute an idea that arrived finished. Here is what we have learned in practice, alongside the Coalizão pelo Impacto training for ecosystem-building organizations, about structuring shared governance that survives the first surprise.

Geraldo Barros
Graphic piece for the Casa Hacker integrity campaign. On the left, against a dark olive-green background, a pink QR code-style checkered pattern, the title “Doing it the right way, always.” in pink pixelated typography, and two notices in lime green: “Code of Ethical Conduct — casahacker.org/conduta” and “Something wrong around here? — abreojogo.casahacker.org”, with the casa hacker brand and the signature “in compliance”. On the right, a young Black man in a lime-green jacket looks at the camera with his chin raised.

Doing It the Right Way, Always: Meet Our Integrity Program

After talking about data for artificial intelligence, data protection, and accessibility, today I share how we have advanced over approximately a year and a half of compliance and integrity work at Casa Hacker. This year we participated in a Neoenergia training program focused on third-sector compliance and left with good news: what we were already doing was aligned with what the sector expects. This is an inside look at the program—who leads it, what the Board of Directors and the Council assume, the policies, the training, the whistleblower channel, supplier vetting, what lies ahead, and what we have learned so far.

Geraldo Barros
Diagram on a white background, titled "How Casa Hacker protects a piece of data", with the Casa Hacker wordmark in the top right corner. It shows five layers of protection stacked into a funnel: each band is narrower and darker than the one above, because it represents what survives the previous layer and how deep the data sits. An axis on the left names that depth — outside, entrance, system, server, disk and core. The first layer, Entry door, appears in very pale green with diagonal hatching, marking it as operated by a third party under contract: it absorbs mass attacks, blocks bots and filters dangerous addresses, and that is where mass attacks, bots and already-known exploits stop. The second, Identity, requires more than one proof of identity and lets the session expire on its own; there stops anyone who cannot prove who they are — every time, not only the first. The third, Permission, in the brand's vivid green, ensures each person sees only what their work requires; there stops anyone who proved who they are but has no permission. The fourth, Action, in mid green, makes anything irreversible wait for someone to confirm; there stops any irreversible action taken with nobody confirming. The fifth, Encryption at rest, in dark green, leaves the data scrambled and unreadable without the key; there stops anyone who takes the disk and reads nothing. At the bottom of the funnel, a black box with green text holds the protected data: "the attendance record of a class". On the left, a vertical purple band crosses every layer, marked "not a layer — it crosses them all": the data protection officer authorises every transfer out; who may do what is written down; we know where each piece of data is kept; there is annual training and ongoing briefings; and the data protection law guides the design rather than sitting in a footnote. Purple marks human decision. Below the funnel, separated by a line and labelled "outside the funnel", a grey band carries the sixth item, Copies, which serves to recover and not to block: they leave encrypted, are kept on three continents, can be written but not erased, and are checked every week. The footer reads: "This map shows order and principle. It does not show configuration — deliberately."

Security at Casa Hacker: how we protect the data of those who trust us

Casa Hacker spent the past months hardening its platforms before letting artificial intelligence in. This is the account of what changed: what it means to say a piece of data is encrypted, why our copies leave the country every day and cannot be erased, how Project Galileo put enterprise-grade protection within reach of an organisation from the periphery, and why a single person authorises every data transfer out. It includes what we still don't do — because an organisation that only tells the finished part is asking you to believe it rather than check it.

Geraldo Barros
A woman smiles as she reads a sheet of paper during a group activity, sitting in a space with shelves full of books in the background.

Do I Have Something to Say?

Writing articles was recently adopted as a monthly routine at Casa Hacker. It was a long-standing wish of the teams: to create more space to share publicly the experiences, lessons and encounters that arise over the course of our projects. When the idea was put forward, it made sense to me straight away.

Marcelo Oliveira
perifaimpacto group in São Paulo

Agile management and real impact at PerifaImpacto

Nyak shares how <b>agile management</b>, applied with active listening and adapted to the reality of the periphery, turns the power of peripheral leaders into structure without losing its essence.

Gabrielli Cristina
Participants of Minas em Tech — my STEAM journey starts here

Our Impact 2022-2025

Casa Hacker's 2022–2025 institutional report: the Theory of Change and the results of the four areas of work — STEAM Education (125 people reached in 2025), Digital Inclusion and Education (620), Internet Segura (660) and Social Innovation (78) — with annual figures, territories served and partners.

Geraldo Barros
Two participants in an interactive activity wear purple t-shirts with the 'Q Mov.' logo. The person on the left, a woman with voluminous curly hair and purple make-up, smiles as she guides the person on the right, who is wearing a beanie pulled down over their eyes like a blindfold. She rests her hand on her colleague's shoulder, and he smiles while gently holding hers. The setting appears to be a well-lit indoor space, possibly an event or workshop.

Fundo da Quebrada 2025 Call for Proposals

The Fundo da Quebrada has opened applications for its 2025 edition: financial and training support for social impact projects led by residents of the Campo Grande district in Campinas.

Marcelo Oliveira
Hands leaf through a printed Minas em Tech piece in front of a wall covered with campaign posters.

Local reach: marketing to strengthen causes

Print media and regional outlets remain powerful allies of social causes: local communication provides the reach, credibility and presence in the territory that digital strategies alone cannot achieve.

Geraldo Barros

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