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    The Largest Data Breach in History: 26 Billion Records Leaked Online


    Jan 26, 2024
    Największy wyciek danych w historii: 26 miliardów rekordów w sieci

    Recent events confirm a troubling trend in cyber security – the increasing frequency of personal data breaches, such as credit card numbers and national identification numbers. We continue to hear about new hacking attacks where access to this information is obtained.

    However, the latest case reported by cyber security experts from Security Discovery and CyberNews is exceptionally alarming. The company ESET has revealed that they discovered a database containing 26 billion records that have been exposed online. These are massive data sets, totaling 12 terabytes in size. Experts unanimously agree that this is likely the largest data breach in history. Furthermore, researchers inform us that in addition to information from previous breaches, this dataset may also contain new data.

    One of the causes of such a massive data leak is the fact that many systems and platforms are currently under intense attack. While system update policies are important and help combat cyber criminals, attackers sometimes remain hidden and wait for the most opportune moment to strike. As Benjamin Szczepankiewicz, an analyst from ESET, puts it, fighting cyber criminals is a race against time.

    Faced with such a shocking data leak, many of us wonder if we have become victims of this attack. There are various methods to check if our data has been compromised. The Polish Ministry of Digital Affairs has launched the website bezpiecznedane.gov.pl where we can verify if our login credentials have been involved in any breach. There is also a service called haveibeenpwned.com, created by renowned security expert Troy Hunt, which allows us to check if our data has fallen victim to global data breaches.

    It’s important to be cautious and protect our personal data. Although entering our email address on haveibeenpwned.com may raise privacy concerns, it’s worth noting that Troy Hunt is highly trusted in the industry and guarantees that no user information is stored.

    In the face of increasing threats related to data breaches, each of us should take appropriate precautions and regularly check if our data has fallen into unauthorized hands. The security of our data should always be a priority.


    1. What is a data breach?
    A data breach is an unauthorized disclosure of confidential information, such as credit card numbers, national identification numbers, email addresses, etc., made public by an unauthorized source.

    2. What are the consequences of a personal data breach?
    The consequences of a personal data breach can be diverse and severe. They can include identity theft, financial fraud, sale of data on the black market, violation of privacy, and harm to personal and financial well-being.

    3. What is a database?
    A database is an organized collection of information that is stored and managed in a way that allows access, retrieval, and manipulation of the data.

    4. What are the largest data breaches?
    One of the largest known data breaches is described in the article, involving a database of 26 billion records that was made available on the internet. This is likely the largest data breach in history.

    5. How can I check if my data was affected in a data breach?
    You can check if your data was involved in a breach by using various online tools. In Poland, there is the website bezpiecznedane.gov.pl where you can check if your login credentials have been compromised. You can also use the service haveibeenpwned.com, which allows you to check if your data has been included in global data breaches.

    6. How can I protect personal data?
    To protect your personal data, it is advisable to take several basic precautions, such as using strong passwords, avoiding sharing confidential information with untrusted individuals, regularly updating software and systems, and using antivirus software.

    Related links:
    – bezpiecznedane.gov.pl
    – haveibeenpwned.com

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