The information provided below is intended to help you understand cybersecurity threats and preventive measures, and is not intended for illegal activities. Understanding these attack methods will help you be more vigilant and protect the information security of individuals and institutions. The following are some common attack methods and methods that attackers may use: 1. Phishing: • Attackers pretend to be trustworthy institutions (such as banks or other financial institutions) and send links via email, text messages or social media. • After clicking the link, users may enter a fake bank login page and enter sensitive information such as usernames and passwords, which will be stolen. 2. Malware and Trojans: • Attackers may trick users into downloading and installing software that looks legitimate, but actually contains malicious code. • Once infected, these malware (such as keyloggers and spyware) can steal user-entered account information or intercept sensitive data in the background. 3. Keyloggers: • This type of program can record keyboard input and capture account numbers and passwords entered when logging in. • Keyloggers can be installed covertly on user devices through phishing emails, malware bundling, etc. 4. Man-in-the-middle (MITM): • By intercepting the communication between the user and the bank server, the attacker may tamper with the data or steal information. • For example, when sensitive information is accessed on an unsecured public Wi-Fi network, the attacker may use the network to conduct a man-in-the-middle attack. 5. Database and system vulnerabilities: • If there are security vulnerabilities in the system of a bank or other financial institution (such as SQL injection vulnerabilities, unpatched software), attackers can use these vulnerabilities to break through the system defenses. • Once the system is breached, the bank account information of internal customers may be stolen or leaked. 6. Social engineering: • In addition to technical means, attackers may also use psychological tactics, such as impersonating bank staff, gaining the victim's trust through phone calls or emails, and then defrauding sensitive information. • This type of attack relies on the grasp of the situation and human nature, rather than relying solely on technical vulnerabilities. 7. SIM Swap: • The attacker collects the victim's personal information, contacts the mobile phone operator to impersonate the victim, and asks the phone number to be transferred to a SIM card controlled by the attacker. • Once the SMS verification code and other information are sent to the attacker's device, it is possible to break through the two-factor authentication and illegally control the bank account. 8. Physical means: • Card reader installation on ATM machines (commonly known as "ATM kit" or "card skimmer"): Attackers install disguised devices on ATM machines to steal information when users insert cards and enter passwords. • In addition, using unauthorized devices to read wireless network traffic in public places may also be exploited. Precautions and prevention suggestions: • Be highly vigilant against suspicious emails, text messages and phone calls. Banks generally do not ask for passwords or verification codes through these methods. • Regularly update the operating system and security software of computers, mobile phones and other devices to prevent malicious code infection. • Avoid performing sensitive operations in unfamiliar network environments, use VPNs or access trusted networks. • Enable and correctly configure additional security measures such as two-step verification to increase account security. • Regularly check bank transaction records and account activities, and contact the bank in time if you find any abnormalities. This information is based on public cybersecurity research and incident reports, and its purpose is to raise public awareness of cyber fraud and information security attack and defense methods. Carrying out the above-mentioned attacks is not only illegal, but also will cause serious losses to the victims. Do not try. Protecting personal information security, staying vigilant and updating protective measures in a timely manner are the key to resisting such attacks.