Knock - IT Networking, Department of Computer Applications, SRMV CAS

  Steganography - Types, Techniques, Examples & Applications   Steganography, or the need for hidden messages, is universal since everybody has something confidential. Though it is not such a familiar word as a virus, steganography is crucial since it deals with secrecy. Hiding or withholding information in a standard, national, personal, or family interest is an age-old practice. Cryptography similarly transforms plaintext messages into a jumbled algorithm for safety before sending. The receiver changes it back into plaintext. In Greek, steganography means ‘covered writing’ or ‘disguised messages,’ and nobody knows the hidden meaning.                                       Types: Text Steganography refers to various media, including text and audio, video, and images. Almost every media form uses text. Data compression through Huffman coding results in a ...

  WHAT IS PHISHING ATTACK? Phishing attack is a strategic method of deception used by attackers to manipulate individuals into disclosing confidential information or performing actions that compromise security. Email Phishing Attack An email phishing attack is a type of cyber attack where attackers send deceptive emails to trick recipients into divulging sensitive information or performing actions that compromise security. Here's a detailed   Definition: An email phishing attack is a fraudulent attempt by cybercriminals to deceive individuals into providing confidential information, such as login credentials, financial data, or personal details, by posing as a legitimate entity. These attacks exploit social engineering techniques and are typically carried out via email, although they can also be conducted through other communication channels   Key Characteristics: 1.       Deceptive Emails : Phishing emails are crafted to appear a...

Distributed denial of service (DDoS) attacks are a subclass of denial of service (DoS) attacks. A   DDoS attack   involves multiple connected online devices, collectively known as a botnet, which are used to overwhelm a target website with fake traffic. Unlike other kinds of cyberattacks, DDoS assaults don’t attempt to breach your security perimeter. Rather, a DDoS attack aims to make your website and servers unavailable to legitimate users. DDoS can also be used as a smokescreen for other malicious activities and to take down security appliances, breaching the target’s security perimeter. A successful distributed denial of service attack is a highly noticeable event impacting an entire online user base. This makes it a popular weapon of choice for hacktivists, cyber vandals, extortionists and anyone else looking to make a point or champion a cause. DDoS attacks can come in short bursts or repeat assaults, but either way the impact on a website or business can last for days, w...

    What has been affected by the Microsoft outages? A major disruption in Microsoft’s cloud services led to widespread flight cancellations and delays in India on Friday , with Delhi, Bengaluru, Kolkata, Pune and Mumbai airports facing the maximum brunt. Not only airlines, businesses, including banks, telecom companies, TV and radio broadcasters were affected after blue screen of death error screens were seen on Windows workstations across the globe. Over 3,000 flights has been canceled within, into or out of the U.S. as of Friday night, and more than 11,400 others were delayed, according to the flight tracking service, FlightAware. Globally, more than 42,000 flights were delayed Friday.   Microsoft outage: How Indian banks, financial institutions averted global Windows glitch- RBI explains The Reserve Bank of India averted the global Windows outage as its systems were not integrated with cloud-based services. The central bank said only a few banks in In...