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Polymorphic malware leverages an encryption key to alter its shape, signature, and behavioral pattern. Using a mutation engine and a self-propagated code strain, it encrypts its code and changes how physical files are created. Many traditional cybersecurity solutions that rely on signature-based detection—a technique in which security systems identify a malware based on its known characteristics—fail to recognize or detect polymorphic threats.

A polymorphic attack typically involves the following stages.

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The time is coming when it will be almost impossible to tell the artificial from the natural.

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SEOUL, Sept 3 (Reuters) — North Korea conducted a simulated tactical nuclear attack drill that included two long-range cruise missiles in an exercise to “warn enemies” the country would be prepared in case of nuclear war, the KCNA state news agency said on Sunday.

KCNA said the drill was successfully carried out on Saturday and two cruise missiles carrying mock nuclear warheads were fired towards the West Sea of the Korean peninsula and flew 1,500 km (930 miles) at a preset altitude of 150 meters.

Pyongyang also said it would bolster its military deterrence against the United States and South Korea.

Summary: Researchers provided robust evidence supporting the controversial “critical brain hypothesis” through a project called DishBrain.

This experiment, involving 800,000 human neural cells playing Pong, reveals how neurons shift into a “neural critical” state when informed about the surrounding environment, enabling cascades of brain activity. This state lies between the extremes of epileptic excitation and a comatose stall.

The findings hint at profound insights into brain function and potential treatments for neurological disorders.

Asteroid 2021 JA5 is around the size of 81 bulldogs, the symbol of the college football team of the University of Georgia. But it won’t hit us – hopefully the Bulldog team will have better luck.

Electric vehicles use lithium ion batteries with small amounts of nickel, manganese and cobalt. How do they work and what chemistry affects their properties?

This Jupiter-size object is 80 times denser than a planet and hotter than the sun.

NASA’s James Webb Space Telescope has captured an image of this iconic supernova with a keyhole in its center.

Organometallic compounds, molecules made up of metal atoms and organic molecules, are often used to accelerate chemical reactions and have played a significant role in advancing the field of chemistry.

Metallocenes, a type of organometallic compound, are known for their versatility and special “sandwich” structure. Their discovery was a significant contribution to the field of organometallic chemistry and led to the awarding of the Nobel Prize in Chemistry in 1973 to the scientists who discovered and explained their sandwich structure.

The versatility of metallocenes is due to their ability to “sandwich” many different elements to form a variety of compounds. They can be used in various applications, including the production of polymers, glucometers—used to measure the amount of glucose in the blood, perovskite solar cells, and as a catalyst, a substance that increases the rate of a chemical reaction without being consumed or changed by the reaction itself.