Typically, data security breaches occur in the digital world and can have various objectives, from gaining respect within the hacker community and stealing confidential information to even causing data loss to harm a competitor, for example. Generally, the easiest target is the user of any system .
People , unlike software, are not programmable and require constant training to avoid compromising the entire system. Another important factor is adopting encryption techniques for sensitive information, storing data in a way that is illegible to those who are not authorized to access it.
Understand how encryption protects your data:
In the corporate world, there are many tools and solutions to help the IT professional responsible for improving processes and systems within the company. And, of course, maintaining a content filter to block malicious downloads and websites is the first lesson to be learned in companies.
For the IT sector, good ways to avoid security breaches include constantly monitoring the services running in the company, raising employee awareness , and, undoubtedly most importantly, having an efficient backup routine , following international standards that establish the number of copies, the physical distance between them, and the contingency methods for storing and accessing information .
Major security flaws

Large multinational corporations have already experienced severe setbacks due to leaks of confidential information . The sector is becoming increasingly attractive to cyberattacks, therefore many are seeking solutions and taking daily precautions to stay safe from threats, adopting measures for combating, preventing, and educating their employees.
However, maintaining company data security small businesses also suffer smaller-scale attacks , but with a much greater degree of negative impact on the company in many cases.
Top 10 security breaches of 2020
Next, we will analyze 10 flaws that became notable in the digital world in 2020. If you want to see more information about each security flaw, download the eBook and send it to whomever you want.
- iFood – Security breach exposes app data
- EasyJet – Cyberattack exposes data of 9 million customers.
- Natura – 50,000 Natura customers have their information leaked online.
- Honda Motor – Car company suspends production.
- Samsung – Security flaw allows hacking of Galaxy phones since 2014
- Zoom – Privacy issues and hacks on the video conferencing platform
- Energisa Group – Hacker allegedly encrypted servers and demanded R$ 5 million.
- Twitter – Hackers post scam on the Twitter accounts of billionaires and celebrities.
- Nubank – Data from Nubank account holders was available on Google.
- Australia – Wave of cyberattacks against the government
Top 10 security flaws in 2023
After 3 years, unfortunately, data security breaches continue to occur . This also became the subject of a seminar that brought together experts and representatives from the Central Bank, the private sector, and data protection agencies at the end of 2022.
First semester of 2023
Below you can see the 10 data security breaches in the digital world that impacted the world in the first half of 2023 .
- Ferrari: On March 20, 2023, the Ferrari car manufacturer suffered a ransomware cyberattack that exposed the names, addresses, emails, and phone numbers of thousands of customers.
- Andrade Gutierrez Construction Company: This large company, present in 11 countries, suffered a data breach affecting millions of customers in 2023. Data from 10,600 employees was also leaked.
- OpenAI: ChatGPT chatbot had the data of 100,000 users leaked.
- Discord: The platform has been notifying users since May about a potential data breach . These users had their email addresses and even messages exchanged with the support team exposed.
- United States Department of Energy: Due to a data breach this year, the United States Department of Energy had confidential information made available on the internet.
- Brazilian Federal Highway Police: Following a cyberattack, cybercriminals solicited donations to former President Jair Bolsonaro via QR code and PIX (Brazilian instant payment system)
- American Airlines: Data of 5,745 pilots and cadet candidates leaked following an attack on the company.
- PwC: Although denying any data breach, PwC acknowledged that some company documents were leaked following a recent attack.
- Tegma Gestão Logística: the company had its resources unavailable after a cyberattack in June.
- Acispes: In May of this year, Acispes ( Intermunicipal Health Cooperation Agency of Pé da Serra ) suffered a cyberattack that resulted in the suspension of all administrative and healthcare functions.
How to protect yourself?

As we have seen, security breaches can happen at any time, in any business sector. We can say that there is no measure that guarantees 100% data integrity , but a combination of procedures followed throughout the company can minimize the chance of a breach occurring and, most importantly, contain the damage it causes.
Security breaches happen to large companies that invest considerable amounts in protection technology; imagine how vulnerable small businesses that don't have the same level of concern can be.
Below are 10 tips to help your company in this daily battle for information security . You can see more details about each tip by downloading the eBook .
- Use strong passwords for all users and devices.
- Enable two-factor authentication (2FA)
- Protecting and internet access
- Use antivirus software on all computers.
- Limit and log network traffic with a firewall.
- backup copies of important data.
- Keep your software always up to date.
- Restrict permissions on shared files
- Educating employees about phishing and social engineering.
- Implement a policy for the use of IT resources.
Bonus
To increase network security in your company, there are different alternatives, such as traditional solutions provided by specialized companies , which require a greater investment in hardware, specialized labor, and constant maintenance.
However, you can opt for more modern solutions that utilize cloud resources and are more accessible, easy to implement, and manage. This type of service is mainly recommended for small and medium-sized businesses; good options include Lumiun , OpenDNS, or DNSFilter.
To choose the best option for managing internet access , it's important to clearly define your company's needs and compare the costs, features, and benefits of each of the existing solutions.
Why Lumiun?
Lumiun is the only company listed on the previous page that is 100% Brazilian. We truly understand how the work environment functions in Brazilian companies and create solutions that can increase network security and team productivity.
Every day, more than 508 million accesses are controlled and 95 million unwanted accesses are blocked . This data is studied and combined with third-party services in an effort to protect company information.
Next, you will see the main features available in Lumiun.
Internet access control management
- Allowing and blocking applications, websites, and website categories. Including by time of day.
- Safesearch on Google, Bing, and YouTube ensures that inappropriate content is not displayed in search results.
- Domain search where Lumiun scans and finds its category, reputation, description, recent visits, and even a preview of the page.
- Real-time report of websites accessed, plus filters by time, device, user categories, and responses.
Security
- Option to set the minimum reputation level to access a website.
- Blocking websites that belong to categories considered harmful, such as hacking, malware, phishing, etc.
firewall
- Forget the old and difficult concept of implementing firewall rules on your network. With Lumiun, you can add blocking and allowing rules by port, protocol, source, and destination with just a few clicks. Furthermore, there are predefined settings to assist even those less familiar with the subject.
Business VPN
- Stay connected to the company network from anywhere. With Lumiun's Business VPN, it's possible to connect external employees to the company's internal network, making all remote access secure and fully controlled.
Speed
- With this feature, you can limit the amount of download and upload speeds for groups of devices. This way, you can distribute your internet bandwidth as you see fit or according to the needs of each group.
Reports
- All these resources are useless if it weren't possible to track the results. With Lumiun, you can monitor in real time which websites are most accessed or blocked, access by period, security blocks, firewall logs, devices that consume the most internet bandwidth, and much more. What clients like most about Lumiun is the ease of managing multiple networks from a single, simple, and accessible cloud-based control panel, available from anywhere.
Security in 20 minutes?
After reviewing our main features and benefits, you may be apprehensive, thinking it's a complex solution that takes a long time to implement and has a high cost.
Good news! After receiving the Lumiun Box (sent on loan), our support team will assist you in every step. On average, from installing the box on the network to configuring the control panel, our clients take up to 20 minutes. That's just 20 minutes to make your company's network more secure and your team more productive.
Lumiun Lumiun DNS is also a complete tool for your company. With the help of this resource, it's very easy to block the main websites and applications that consume the most people's time, without needing much technical knowledge. It also allows you to create various access policies to manage blocking rules .
And what about the cost of hiring Lumiun? You'll be impressed by the low investment. Request our contact or visit the website www.lumiun.com , or download our presentation with all the information about our solution.
Conclusion
In this article, we have seen how security breaches occur in large organizations, as well as their causes and consequences.
We believe that taking care of information security is essential for the success of growing companies. Those small and medium-sized enterprises that gradually and consistently implement the tips presented in this article and the downloadable eBook certainly have good internet security in 2023
In the knowledge age, those who know the most about a subject are better prepared for the new demands that arise every day.
To the next!













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