Internet security, a branch of computer security, specifically related to the Internet, involving browser security, general level, applies to other applications or operating systems on a whole, objective, to establish rules and measures, represents an insecure channel for exchanging information, leading to a high risk of intrusion or fraud, phishing, transfer of data, including encryption, a firewall controls access between networks, generally, gateways and filters, vary from one firewall to another, screen network traffic, dangerous, the intermediate server, between SMTP and HTTP connections,firewalls in Internet security and web security, impose restrictions on incoming and outgoing packets,private networks, whether, incoming or outgoing, pass through the firewall, authorized traffic, is allowed to pass through it, checkpoints between an internal private network and the public Internet, choke points,IP source and TCP port number,serve as the platform for IPsec, using tunnel mode capability, implement VPNs, limit network exposure, by hiding the internal network system and information from the public Internet, malicious software and antivirus, malware, a computer user, be tricked or forced into downloading software, malicious intent, such programs, viruses, Trojan horses, spyware and worms,botnets, viruses, replicate their structures, effects by infecting other files or structures on a computer,to steal data, worms, performing malicious tasks throughout, aTrojan horse, general term for malicious software, pretends to be harmless, willingly allows it to be downloaded onto the computer, ransomware comprises a class of malware, restricts access, infects and demands a ransom paid to the creator of the malware,to be removed, ransomware encrypt files,cryptoviral extortion, display messages intended to coax the user into paying, scareware, nowadays,FraudTool, ransomware or scam software, with malicious payloads, limited or no benefit, consumers via certain unethical marketing practices,social engineering, to cause shock, anxiety, or the perception of a threat, generally directed at an unsuspecting user,adware,scareware tactics, frequently used by criminals, involves convincing users, a virus has infected their computer, suggesting to download fake antivirus software, to remove, entirely fictional,according to the Anti-Phishing Working Group, the number of scareware packages in circulation, APWG identified a 585% increase in scareware programs, apply to any application or virus, pranks users with intent to cause anxiety or panic, abotnet, "zombie" computers, large-scale malicious acts for the creator of the botnet, spyware refers to programs, surreptitiously monitor activity on a computer system,the user's consent, antivirus programs and Internet security programs, programmable device from malware, such programs, to detect and usually eliminate viruses, however, security suites, firewalls, anti-spyware, theft protection, more thoroughly protect users,traditionally, adenial-of-service attack (DoS attack) or distributed denial-of-service attack (DDoS attack), unavailable,although the means to carry out, motives for, and targets of a DoS attack may vary, generally consists of the concerted efforts of person, functioning efficiently,temporarily or indefinitely, Web browser statistics, affect the amount a Web browser be exploited, for example, Internet Explorer 6, a majority of the Web browser market share, extremely insecure, vulnerabilities, exploited due to its former popularity, however, evenly distributed, Internet Explorer,Firefox, Google Chrome, vulnerabilities,exploited in many browsers,a buffer overflow attack, a cracker to get full system access, buffer overflow attacks, receives data, assumes, rather than checks, received data, enough, suites,adequate defense against these kinds of attacks, antivirus andAV software, malicious computer viruses, malicious Browser Helper Objects (BHOs), browser hijackers, ransomware, keyloggers, backdoors, rootkits, trojan horses, worms, malicious LSPs, dialers, fraudtools, adware and spyware,social engineering techniques, discusses the software, removal of malwarethreats, rather than,implemented by software methods, a variety of strategies,typically employed, Ssgnature-based detection, searching for known patterns of data, within executable code, however, modified,affecting functionality,zero-day threats, heuristics, generic signatures, identify variants,slight variations, analysing, drawbacks, impair a computer's performance. inexperienced users, lulled into a false sense of security, totally protected, lead to a security breach, fine-tuned to minimise misidentifying harmless software as malicious, false positive, the highly trusted kernel level of the operating system, access to all potential malicious process and files, creating a potential avenue of attack.
|
|
|
