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An employee mistakenly reveals confidential data in a phishing scam. How do you prevent future breaches?

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Discovering that an employee has inadvertently exposed sensitive information via a phishing attack can be a chilling moment for any organization. Phishing scams trick individuals into providing confidential data, often by masquerading as a trustworthy entity. To prevent such breaches, it's essential to understand how these scams operate and to implement robust security measures. As you navigate the complexities of information security, remember that the human element is often the weakest link. By empowering your employees with knowledge and tools, you can fortify your defenses against these insidious threats.

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Marcelo Salles

Analista de TI Sênior BBTS
Felipe Holanda Ribeiro

Information Security Coordinator DPO | LGPD | SOX | ISO27001 | CIS Controls | NIST 2.0

1 Employee Training

Comprehensive security awareness training is your first line of defense. Employees must be taught to identify phishing attempts, which often involve emails or messages that mimic legitimate requests for information. Training should cover the hallmarks of phishing, such as urgent language, unfamiliar sender addresses, and links to suspicious websites. By conducting regular training sessions and simulated phishing exercises, you can keep security at the forefront of your employees' minds and reduce the likelihood of successful scams.

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Marcelo Salles

Analista de TI Sênior BBTS
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Uma forma de prevenir é também educar o usuário, com isso as empresas devem criar a cultura de treinamentos para conscientiza??o de todos os funcionário e colaboradores. Reduzindo dessa maneira os riscos de vazamento de informa??es confidenciais, adotando políticas como: Criptografia de dados, controle de acesso, treinamento e conscientiza??o dos funcionários, políticas de seguran?a da informa??o, monitoramento e auditoria contínuos, uso de VPN e redes seguras, segmenta??o de redes, backup regular de dados, gest?o de dispositivos móveis, teste de penetra??o e avalia??es de vulnerabilidades, política de clean desk, gest?o de identidades e acessos. Essas práticas ajudam a criar um ambiente seguro, mitigando os riscos significativamente.

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Felipe Holanda Ribeiro

Information Security Coordinator DPO | LGPD | SOX | ISO27001 | CIS Controls | NIST 2.0
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é recomendando realizar anualmente a semana de seguran?a da informa??o, nessa semana s?o realizadas palestras, dinamicas, games, teatros e sorteio de brindes. Trazer de uma forma lúdica para o universo das empresas colocando os funcionários do lado da seguran?a da informa??o. Comunicados mensais sobre o uso responsável da informa??o e dicas de como se proteger s?o fundamentais nessa jornada.

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2 Policy Updates

Updating your company's information security policies is crucial in the aftermath of a breach. Ensure these policies clearly outline the procedures for handling sensitive data and the consequences of non-compliance. Regular reviews and updates to these policies are necessary to adapt to the evolving tactics of cybercriminals. A policy that mandates two-factor authentication (2FA) for access to critical systems can add an additional layer of security, making it harder for attackers to gain unauthorized access even if they have an employee's credentials.

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Felipe Holanda Ribeiro

Information Security Coordinator DPO | LGPD | SOX | ISO27001 | CIS Controls | NIST 2.0
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Atualiza??es periódicas na politica de seguran?a da informa??o abordando os principais temas da atualidade é fundamental. Além de atualizar o mais importante é publicar e comunicar essas atualiza??es para todos os funcionários.

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3 Response Plan

A well-structured incident response plan can minimize the damage of a data breach. This plan should detail the steps to take when an incident occurs, including isolating affected systems, notifying stakeholders, and conducting a thorough investigation. It's vital to have a designated response team with clear roles and responsibilities. Regular drills will help ensure that if a breach occurs, your team can act swiftly and effectively to mitigate its impact.

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Gurpreet Singh

Cloud Pioneer of the Year & Top25 Exceptional Leaders Awardee | 5x AWS | 5x Azure | CISM | CTO & CISO | Cloud Strategy, Software Development, Information Security, AI/ML, Innovation & Data Solutions
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A robust incident response plan is critical for minimizing the impact of data breaches. This plan should clearly outline the steps to take following an incident, including isolating compromised systems, notifying key stakeholders, and conducting a comprehensive investigation. Designate a response team with specific roles and responsibilities to ensure efficient execution. Regularly conduct drills to test the plan and refine your team's ability to respond quickly and effectively. By preparing in advance, you can limit the damage of a breach and restore normal operations more swiftly, protecting your organization from prolonged disruption.

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4 Technical Controls

Implementing robust technical controls is essential for protecting against phishing scams. Email filtering systems can block malicious emails before they reach inboxes, while web filters prevent users from accessing dangerous websites. Additionally, consider deploying advanced endpoint protection platforms that use machine learning and behavior analysis to detect anomalies that could indicate a phishing attempt or breach. Ensuring that all systems are regularly updated with the latest security patches is also critical.

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Gurpreet Singh

Cloud Pioneer of the Year & Top25 Exceptional Leaders Awardee | 5x AWS | 5x Azure | CISM | CTO & CISO | Cloud Strategy, Software Development, Information Security, AI/ML, Innovation & Data Solutions
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Implementing strong technical controls is essential for defending against phishing scams. Deploy email filtering systems to block malicious messages before they reach your employees' inboxes and web filters to prevent access to dangerous websites. Advanced endpoint protection platforms that utilize machine learning and behavior analysis can detect unusual activities indicative of phishing attempts or breaches. Regularly updating all systems with the latest security patches is also crucial in closing vulnerabilities. These layered security measures significantly reduce the risk of phishing scams and help protect your organization's sensitive information from unauthorized access.

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5 Access Management

Proper access management ensures that employees only have access to the data necessary for their roles. This principle, known as least privilege, reduces the risk of a large-scale data breach. Regularly review user permissions and revoke access that is no longer needed. Implementing strong password policies and requiring regular password changes can also prevent unauthorized access. Remember, the goal is to make it as difficult as possible for attackers to move laterally within your network.

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Gurpreet Singh

Cloud Pioneer of the Year & Top25 Exceptional Leaders Awardee | 5x AWS | 5x Azure | CISM | CTO & CISO | Cloud Strategy, Software Development, Information Security, AI/ML, Innovation & Data Solutions
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Effective access management is crucial for minimizing the risk of data breaches. The principle of least privilege ensures that employees only have access to the data necessary for their roles, reducing the potential for large-scale breaches. Regularly review and update user permissions, promptly revoking access that is no longer needed. Implement strong password policies and enforce regular password changes to prevent unauthorized access. By making it difficult for attackers to move laterally within your network, you enhance your organization's overall security posture and protect sensitive data from falling into the wrong hands.

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6 Cyber Insurance

Lastly, consider investing in cyber insurance to mitigate financial losses from data breaches. While insurance doesn't prevent attacks, it can provide a safety net for recovery costs, including legal fees, public relations efforts, and compensations for affected customers. It's important to understand the terms and coverage of your policy to ensure it aligns with your organization's risk profile and regulatory requirements. Cyber insurance should be part of a comprehensive risk management strategy.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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An employee mistakenly reveals confidential data in a phishing scam. How do you prevent future breaches?

1

2

3

4

5

6

7

1 Employee Training

2 Policy Updates

3 Response Plan

4 Technical Controls

5 Access Management

6 Cyber Insurance

7 Here’s what else to consider

Information Security

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An employee mistakenly reveals confidential data in a phishing scam. How do you prevent future breaches?

1

2

3

4

5

6

7

1 Employee Training

2 Policy Updates

3 Response Plan

4 Technical Controls

5 Access Management

6 Cyber Insurance

7 Here’s what else to consider

Information Security

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