Prática de Shadowing: Zero Trust Explained in 4 mins - Aprenda a falar inglês com vídeo

Zero Trust is a security strategy that says you shouldn't grant implicit trust to a user,

device or an application based solely around some property about them, like their network location.

Over the next few minutes, I'll explain exactly what we mean by this and how IBM can help.

But let's be really clear upfront.

Zero Trust isn't something that can simply be delivered by implementing a new piece of technology, nor is it a point product or service that you can just go out and buy.

It's a security strategy that has three core principles.

But before I come on to those, let me explain why organisations are increasingly moving on from the previous popular model of perimeter security.

Firstly, there's this somewhat medieval notion

that you have a perimeter to your network where you build the walls as high as possible

and try and stop malicious actors at the gates.

This no longer works because employees are working from home more than they're working from the office,

and because hybrid cloud is now clearly the preeminent platform for enterprise infrastructure.

So it's an increasingly complex problem to even define a perimeter.

Secondly, the concept of trust is a very human one that we've taught computers to adapt to.

For example, if I see Helen every day in the office wearing her employee badge, I trust that she's an employee and is there for the right reasons.

In reality, I don't actually know that she wasn't let go last week for misconduct, and is now back in the office trying to steal corporate data.

So a computer security model based on a human definition of trust is inherently flawed,

particularly in a world where attackers are finding it easier than ever to steal credentials and disguise themselves as trustworthy.

Without a zero trust security model, once an attacker is in the corporate network, they can move laterally to new systems with relative ease.

This brings me on to the first defining principle of the Zero Trust model: Never trust Always verify.

Just because somebody's on your corporate network and is carrying

that badge with an employee name on it doesn't mean that they are who they say they are, or that they're necessarily well -intentioned.

So this always verified piece refers to the fact that every time something like a user, device or application tries to make a new connection attempt,

that attempt should be rigorously authenticated and authorised, and not simply trusted because it's coming from inside the corporate network, for example.

Implement least privilege is the second core principle of a zero trust architecture, which says you should only grant users and applications the minimum amount of access

that they need to perform their job effectively and no more.

Privileged access management is a great way of implementing least privilege for admin users, for example.

And then finally, assume breach.

This is my favourite of the zero trust principles

because it encourages teams to plan for the worst case scenario

and build robust and tested incident response plans so that when attacks do occur, the time to respond is rapid and well practised.

Not only this, but this principle encourages organisations to shrink the target

and the impact zone of an attack through networking principles like micro -segmentation.

So how can IBM security help?

We recognize that different clients will have different business drivers and priorities for why they want to deploy Zero Trust.

So we've created four actionable blueprints depending on where you want to start.

They are Reduce the risk of insider threat.

Secure the remote workforce.

preserve customer privacy, and protect the hybrid cloud.

You can download these with no form filling required from IBM .com.

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O que você vai aprender

Nesse vídeo, você desenvolve três habilidades essenciais para falar inglês com confiança. Primeiro, a capacidade de entender explicações técnicas em um ritmo natural, útil para contexts profissionais. Segundo, a prática de escutar e reproduzir termos específicos, como "Zero Trust" e "least privilege", com pronúncia correta. Terceiro, a habilidade de seguir a lógica de uma apresentação, o que ajuda na sua própria capacidade de organizar ideias ao falar. E lembre: essas skills são perfeitas para treinar shadowing em inglês — um método eficaz para melhorar fluência!

Escute esses sons

No áudio, preste atenção em conexões e reduções comuns no inglês falado. Por exemplo, "you shouldn't grant" é pronunciado quase como "yushouldn't grant", com a ligação entre "you" e "shouldn't". Outro exemplo é "it's a security strategy" — o "it's a" se torna "itsa" no ritmo rápido. Também note a redução de "because" para "cuz" em frases como "because employees are working from home". Esses detalhes fazem toda a diferença para que seu ouvido se acostume com a fala nativa, fundamental para o shadow speech.

Fale como um nativo

Para imitar o ritmo e a ênfase do locutor, siga essas dicas. Primeiro, dê ênfase em palavras-chave como "security strategy", "core principles" e "incident response" — elas carregam a mensagem principal. Segundo, mantenha um ritmo constante, sem pausas excessivas, mesmo quando as frases são longas. O locutor usa pausas apenas para marcar seções, como após "But let's be really clear upfront". Terceiro, pratique a intonação ascendente em perguntas retóricas, como "So it's an increasingly complex problem to even define a perimeter?". E para treinar, use o método de shadowing: reproduza a fala do vídeo imediatamente após ouvi-la, tentando igualar o tom e a velocidade. Sites de shadowing ou até o YouTube mesmo são ótimos para isso — é só clicar em "repetir" e praticar! Lembre, a chave é a consistência: cada minuto de prática traz você mais perto de falar inglês com naturalidade.

Gramática neste vídeo

As estruturas que o falante mais usa, com as palavras exatas do vídeo:

Estrutura	No vídeo
Present perfect have/has + particípio passado — uma ação passada que ainda importa agora	we've taught · we've created
Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz	be delivered · wasn't let

O que é a Técnica de Shadowing?

Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.

Técnica de shadowing: leia o guia completo passo a passo →

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O que você vai aprender

Escute esses sons

Fale como um nativo

Gramática neste vídeo

O que é a Técnica de Shadowing?