Leaving backdoors open can be necessary for certain situations where access needs to be maintained for troubleshooting, maintenance, or emergency purposes. It can provide a way to quickly address issues or make necessary changes without having to go through the usual authentication process. However, it is important to carefully consider the security implications of leaving backdoors open, as they can be exploited by malicious actors if not properly secured. It is recommended to only leave backdoors open when absolutely necessary and to implement strong security measures to protect against unauthorized access. **

One cannot memorize the hacker in backdoors because hackers often use sophisticated techniques to hide their identity and cover their tracks. They may use various methods such as encryption, spoofing, and routing through multiple servers to obfuscate their true identity. Additionally, hackers frequently change their tactics and tools, making it difficult to pinpoint a specific individual or group responsible for a backdoor attack. Furthermore, the nature of backdoor attacks is clandestine and covert, making it challenging to identify the hacker behind the breach. **

The caricature of the summit conference in Helsinki shows the leaders of the United States and Russia, Donald Trump and Vladimir Putin, sitting at a table with Trump holding a puppet string attached to Putin. This caricature is a satirical representation of the perception that Trump is under the control or influence of Putin, suggesting that Putin is pulling the strings and manipulating Trump. The image reflects the controversy and speculation surrounding the relationship between the two leaders and the potential influence of Russia on the United States. **

A symposium is a formal gathering or meeting where experts in a particular field come together to discuss and exchange ideas on a specific topic. It is often organized as a series of presentations, panel discussions, and Q&A sessions, allowing participants to share their knowledge and insights with each other. Symposia are commonly held in academic and professional settings, providing a platform for networking, collaboration, and learning within a specific discipline or industry. **

Security software such as anti-malware and antivirus software from companies like Norton Symantec are not inherently dangerous because of potential backdoors. While it is true that there have been concerns about US intelligence agencies having access to such software, these companies have a vested interest in maintaining the trust of their customers and protecting their reputation. Additionally, many security experts and researchers regularly analyze these products for any potential vulnerabilities or backdoors. It is important for users to stay informed about any potential risks and to regularly update their security software to ensure the best protection against cyber threats. **

"Der Kongress tanzt" is a German phrase that translates to "The Congress Dances" in English. The phrase originated from the Congress of Vienna in 1814-1815, where European diplomats and leaders gathered to reorganize Europe after the Napoleonic Wars. The phrase is a metaphor for the diplomatic and political maneuvering that took place during the Congress, likening it to a dance where participants carefully navigated their relationships and alliances. It reflects the complex and intricate nature of international diplomacy and negotiations during this historic event. **

A convention is a formal agreement or a set of accepted norms and practices that govern behavior in a particular context or industry. It is a customary way of doing things that is widely recognized and followed by a group of people. Conventions help to establish consistency, order, and predictability in social interactions or professional settings. They can vary across different cultures, societies, or fields of study. **

The G20 summit is a meeting of the leaders of the world's 20 largest economies, representing both developed and developing countries. The summit provides a platform for these leaders to discuss and coordinate on global economic issues, such as trade, finance, and development. It is an opportunity for countries to work together to address common challenges and promote global economic stability and growth. The G20 summit also serves as a forum for leaders to address pressing international issues, such as climate change, terrorism, and global health crises. **