hdd hack
The technologies used to protect data and network of the Organization
In this paper we discussed different technologies that can be used to improve security in the organization.
Them
1. AD authentication window
2. DLP Solution
3. Archives / Disk encryption
4. Antivirus
5. Token / The biometric access system
6. VPN / IPSec
7. CNA
8. CSA
DLP Solution –
Prevention DLP data loss. The DLP includes identifying, monitoring and data protection. Data can be in use (end-point, for example), moving (eg the network) and
Perhaps the rest (eg, storage area network SAN). The DLP can be found sensitive data for the depth of content inspection, analysis security context of the transaction (the attributes of the sender, the object data, support, timing, receiver and destination, etc..) DLP systems have been designed to detect and prevent unauthorized use and transmission of confidential information (sensitive).
DLP a.Network
These systems are typically installed near the Internet network of organizations and analyze network traffic for transmission of sensitive information. This includes email, chat, FTP, messaging Instant, HTTP, HTTPS. It can also function as a storage system DLP
DLP b.Host
These systems operate on user workstations and end servers of the organization. They can be used to control the flow of information between groups or types of users. Can also be used to control forms electronic and other media. systems have the advantage that they can monitor and control access to physical devices (such as mobile devices data storage capabilities, such as pen drives) and in some cases, they can access information that has been encrypted.
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Windows AD environment
All hosts connected with a domain environment that gives you the flexibility, scalability, security of networks and users. Windows uses the Kerberos authentication based on sound it is difficult to break. The network management provides that the rights management becomes easy. Rights can be assigned to individual users or groups. In addition, severalauthentication the methods of biometric or token-based can be directly integrated with the AD system.
File / Disk Encryption hard
Encryption is the process of transforming information (hereinafter air) using an algorithm (called cipher) to make it unreadable to anyone except those who have special knowledge, usually referred to as the key.
May be mostly two types
a. File Encryption
b. Disk Encryption
File-The Encryption is the process used to encrypt the files. The encrypt your files and keep them in encrypted form. If the data are stolen or in the wrong hands of the thief can not know the actual file content.
Disk encryption, encryption is also called volume. In this type of data encryption on the disc is encrypted with a specific algorithm. The encryption is transparent to the user, ie, the user will not be able to do if the data is encrypted or not. If the disc was stolen the thief will not be able to recover the contents of entire disk is encrypted.
Antivirus
Antivirus can be either a. Antivirus Signature base b. Antivirus Performance
a. AV signature-based antivirus virus detection based on signatures given by the database system. These databases are updated, but if a company does not appear, the virus / Worm is activated at this time.
b. Performance in these Antivirus AV detect the behavior of the application and if it is found as suspicious behavior and then dials like a virus and act accordingly. This type of AV can be used to prevent zero-day attacks for which no solution has been released by the AV vendor yet.
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Token / biometric-based authentication
Tokens security are used to prove your identity electronically. The symbol is used in addition to or instead of a password to prove that the customer is who he claims to be. The acts as a symbol of an electronic key to something. It can be based for example abiometric token a token with fingerprint
There are four types of tabs:
1. Static password. 2. Synchronous Dynamic Password go
3. Asynchronous Password
Four. Challenge-response
Defiant response in these synchronous dynamic password are somewhat difficult to hack.These also called two-factor authentication as the user should give what he does (an token) and what you know (password). This type of security provides an advantage over other technologies.
IPSEC VPN
IPSec is a dual-mode end to end, the operating system security of the Internet layer Internet protocol suite of OSI Layer 3. IPsec can be used to protect application traffic through the Internet or private network. Applications should not be specifically designed for the use of IPsec.
The following IPsec is a framework of open standards. IPsec uses the text according to the protocols to perform various functions:
a. A security association (SA), established via Internet Key Exchange (IKE IKEv2) or Kerberos for Internet negotiation of keys (KINK) by manipulating the protocols and algorithms of trade and generate encryption keys that are used andauthentication by IPSec.
b. Authentication Header (AH) to ensure data integrity and origin authentication input IP datagrams and providing protection against attacks Repeat.
C. Encapsulating Security Payload (ESP) to ensure confidentiality, authentication of the origin of the integrity of data offline, the anti-replay service (a form of partial sequence integrity), confidentiality and limited traffic.
Network Admission Control NAC
Network Access Control (NAC) is a computer network solution that uses a set of protocols to define and implement a policy that describes how to ensure access to network nodes by means of devices when they first try to access the network. NAC could be integrated automatic correction (fixing nodes not met before allowing access) network systems, enabling network infrastructure such as routers, switches and firewalls to work together with servers back office and computer equipment for the end user to ensure the information system works before interoperability is allowed. It is unifying technology security (such as antivirus, intrusion prevention on the host, and vulnerability assessment), the user or systemauthentication and implementation of network security for that access to the network and other resources are limited against piracy.
NAC Targets
Mitigation of zero-day attacks
The fundamental value of the proposed NAC solutions is the ability to prevent end stations that do not have antivirus software, software patches or host intrusion prevention network access and the risk of cross contamination of other teams of worms.
Implementation policies
NAC solutions allow network operators to define policies, such as the types of computers or roles authorized users access to areas of the network, and apply them in switches, routers and network middleboxes.
Management Identity and Access
In applying the conventional policies of access to the IP network in terms of IP addresses, NAC environments attempt to do so on the user identity authenticated, at least for the end user stations, such as laptops and desktops.
CSA-Cisco Security Agent
CSA is an intrusion prevention system software parameter that is based on rules and examines system activity and network traffic, determine what behaviors are normal and may indicate an attack.
CSA uses two or three levels of client-server architecture. Management Center of the "TM" (or the management console) contains the logic of the program, a MS SQL database backend used to store configuration information alerts and MC and SQL database can be co-resident on the same system. The agent is installed on the desktop and / or servers to protect. The agent communicates with the management center, sending events logged to the management center and receive updates of the rules when they occur.
In this review we discuss the various technologies that can be used to improve security in the organization.
Them
1. AD authentication window
2. DLP Solution
3. File / HDD Encryption
4. Antivirus
5. Token / biometric access system
6. VPN / IPSec
7. CNA
8. CSA
DLP Solution –
DLP is the prevention of data loss. The DLP includes the identification, monitoring and data protection. Data can be in use (end-point, for example), moving (eg the network) and
Perhaps the rest (eg, SAN Storage Area Network). The DLP will find sensitive data from deep content inspection, the contextual analysis of the safety of operation (attributes original data object, means, time, beneficiaries and target systems, etc.) DLP are designed to detect and prevent unauthorized use and transmission of confidential information (sensitive) information.
DLP a.Network
These systems are typically installed near the network of Internet connection and analyze network traffic for transmission of sensitive information. This includes e-mail, chat, FTP, instant messaging, HTTP, HTTPS. These It can also function as a storage system DLP
DLP b.Host
These systems run on workstations and servers end-users of the organization. They can be used to control the flow of information between groups or types of users. Can also be used for electronic surveillance and other forms of communication. host systems have the advantage that it can monitor and control access to physical devices (such as mobile devices with data storage, for example pendrives) and in some cases, you can access the information before it was encrypted.
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Windows AD environment
All customers have a connection environment domain that provides flexibility, scalability, security and network users. Windows uses the Kerberos authentication based robust it is difficult to break. Provides management and network management rights is easy. Rights can be assigned to individual users or user group. Severalauthentication also methods such as biometrics or token-based systems can be directly integrated with the AD system.
File / HDD encryption
Encryption is the process of transforming information (The air) by an algorithm (called cipher) to make it unreadable to anyone except those possessing special knowledge, usually designated as the key.
There may be two main types
a. File Encryption
b. Disk Encryption
File Encryption "It is the process used to encrypt the files. The owner encrypt files and stored in an encrypted format. If the data are stolen or damaged hands of the thief will not know what the actual file content.
Disk encryption is also known as volume encryption. In this type of data encryption on the disc is encrypted with a specific algorithm. The encryption is transparent to the user know that the user not be able to if the data is encrypted or not. If the disk is stolen the thief can not recover the contents of the entire disk is encrypted.
Antivirus
Antivirus can be either a. Antivirus Signature base b. Antivirus Performance
a. These signature-based antivirus AV detect viruses on the basis of the signatures give the database the system. These databases are updated, but if a signature is missing, the virus / worm is activated at this time.
b. Performance in these Antivirus AV detect the behavior of the application and if it finds that the suspicious behavior, then marks it as a virus and take appropriate action. This type of VA can be used to prevent zero-day attacks for which no solution has been released by the AV vendor yet.
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Token / biometric-based authentication
security tokens are used to prove their identity through electronics. The symbol is used in addition to or instead of a password to prove that the customer is who they say is. Acts as a key symbol electronics access to something. It can be based for example abiometric token a token with fingerprint
There are four types of tabs:
static password.
synchronous dynamic password
Password asynchronous
Challenge Response
Challenge and response in these dynamic password synchronous are somewhat difficult to hack.These also known as two-factor authentication as the user must give what we have (a token) and what you know (password). This type of security provides an advantage over other technologies.
IPSEC
IPSec is a dual-mode end-to-end security operating system for Internet layer Internet Protocol Suite and OSI Layer 3. IPsec be used to protect any application traffic over the Internet or private network. Applications should not be specifically designed for the use of IPsec.
The Suite IPSec is a framework of open standards. IPsec uses the following protocols to perform various functions:
a. A security association (SA), established via Internet Key Exchange (IKE and IKEv2) or Kerberos key negotiation on the Internet (KINK) by Handling the negotiation of protocols and encryption algorithms and keys to generate andauthentication be used by IPSec.
b. AH (Authentication Header) to ensure integrity and data origin authentication for IP datagrams offline and provide protection against replay attacks.
C. Encapsulating Security Payload (ESP) to ensure confidentiality, authentication of data origin, integrity offline traffic, an anti-replay (a form of partial sequence integrity), and limits the flow of confidentiality.
NAC Network Admission Control
Network Access Control (NAC) is a computer network solution that uses a set of protocols to define and implement a policy that describes how to secure access to network nodes by means of devices when they first try to access to the network. NAC could be integrated automatic correction (fixing of nodes that are not compatible to allow access) network systems, enabling infrastructure network such as routers, switches and firewalls to work with back office servers and equipment for computer users to ensure the information system works before interoperability is allowed. It is unifying the endpoint security technologies (such as antivirus, intrusion prevention on the host, and evaluation vulnerability), the user or systemauthentication and implementation of network security so that access to the network and other resources is restricted against piracy.
NAC Targets
Mitigation of zero-day attacks
The key value proposition of the NAC solutions is the ability to prevent end-stations that have no antivirus software, patches or intrusion prevention software on the host to access the network and jeopardize the other computers on the cross-contamination worms.
Policy implementation
NAC solutions allow network operators to define policies, such as the types of computers or roles users authorized to access areas of the network, and apply them in switches, routers and network middleboxes.
Identity and Access Management
When conventional IP networks apply access policies in terms of IP addresses, NAC environments attempt to do so on the identity of authenticated users, at least to the end user stations, such as laptops and desktops.
Cisco Security Agent CSA-
CSA is a system intrusion prevention software test that is based on rules and examines system activity and network traffic, determine which behaviors are normal and may indicate an attack.
CSA uses two or three levels of client-server architecture. Management Center "TM" (or the management console) contains the logic of the program, a system of MS SQL database is used to store alerts and configuration information, the MC and SQL database can be co-resident in the same system. The agent is installed on the desktop and / or servers to protect. The agent contacted the management center, sending online Events Management Center Upgrade and reception standards when they occur. About the Author
Nityanand Parab is working as Technical Lead at Avi Electronics and Networks Pvt. Ltd.
He works on technologies like Networking, Virtualization, Security etc.He can be reached at http://nityasworld.com
Microsoft Zune HDD Hack – Part 2
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