Cyber Security

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Cyber ​​security; It is the practice of protecting computers, servers, mobile devices, electronic systems, networks, and data from malicious attacks. Now let's take a brief look at which area we serve...

• Network security is the practice of protecting a computer network from intruders, whether by targeted attackers or opportunistic malware.

• Application security focuses on protecting software and devices from threats

• Information security protects the integrity and confidentiality of data both in storage and in transit.

• Operational security includes processes and decisions regarding the processing and protection of data assets.

• Disaster recovery and business continuity defines how an organization responds to a cybersecurity incident or other event that causes transaction or data loss.

 

Healthcare, retailers, and government agencies suffered the most breaches by malicious criminals responsible for most incidents. Some of these industries are more attractive to cybercriminals as they collect financial and medical data, but any business that uses a network can become a target for customer data, corporate espionage or customer attacks.

Types of cyber threats

There are three layers of threats facing cybersecurity:

 

Cybercrime involves single actors or groups targeting systems for financial gain or business disruption.

Cyberattacks often involve politically motivated information gathering.

Cyber ​​terrorism is designed to undermine electronic systems in a way that causes panic or fear.

So how do malicious actors gain control of computer systems? Here are some common methods used to threaten cybersecurity:

 

Malware

Malware is also referred to as "Malware". One of the most common cyber threats, malware is software created by a cybercriminal or hacker to corrupt or damage a legitimate user's computer. Typically spread through a spam email attachment or legitimate-looking download, malware can be used by cybercriminals to make money or in politically motivated cyberattacks.

 

There are several types of malware:

 

Virus: A self-replicating program that attaches itself to a clean file and spreads to the computer system, infecting files using malicious code.

Trojans: A type of malware disguised as legitimate software. Cybercriminals trick users into installing Trojans on their computers, thereby damaging their computers or collecting data.

Spyware: A program that secretly records what a user is doing so that cybercriminals can use this information. For example, spyware can capture credit card information.

Ransomware: Malware that locks and threatens to delete a user's files and data unless a ransom is paid.

Adware: Advertising software that can be used to spread malware.

Botnets: Computer networks that spread malware that cybercriminals use to perform online tasks without the user's consent.

SQL grafting

SQL (structured language query) grafting is a type of cyberattack used to control and steal a database's data. Cybercriminals exploit vulnerabilities in data-driven applications to insert malicious code into a database via a malicious SQL statement. This gives them access to sensitive information contained in the database.

 

Phishing

Phishing is when cybercriminals target victims using emails that request sensitive information and appear to be from a legitimate company. Phishing attacks are often used to trick people into transferring credit card data and other personal information.

 

Attack to interfere with transactions

A transactional tampering attack is a type of cyberthreat in which cybercriminals intercept communication between two people in order to steal data. For example, on an unsecured WiFi network, an attacker could withhold data passed from and to the victim's device.

 

Denial of Service attack

A denial of service attack is when cybercriminals block networks and servers with traffic, preventing a computer system from fulfilling legitimate requests. This renders the system unusable, preventing an organization from performing vital functions.

 

The latest cyber threats

What are the most current cyber threats that individuals and organizations need to protect? Here are some of the most recent cyber threats reported by the UK, US and Australian governments.

 

Dridex malware

In December 2019, the US Department of Justice (DoJ) indicted the leader of an organized cybercrime group for their involvement in a global Dridex malware attack. This malicious campaign has affected the public, government, infrastructure and business around the world.

 

Dridex is a financial trojan with various capabilities. It has been infecting victims and infecting computers through phishing emails or existing malware since 2014. Dridex, which can steal passwords, banking information and personal data that can be used in fraudulent transactions, has caused huge financial losses amounting to hundreds of millions.

 

In response to the Dridex attacks, the UK's National Cyber ​​Security Center advises the public to "make sure devices are patched, antivirus turned on, up to date and files are backed up".

 

Love scammers

In February 2020, the FBI warned U.S. citizens to be aware of trust fraud by cybercriminals using dating sites, chat rooms, and apps. Criminals take advantage of people looking for new partners and trick victims into giving their personal data.

 

FBI reports that romantic cyberthreats affected 114 victims in New Mexico in 2019, with financial losses of $1.6 million.

 

Emotet malware

In late 2019, the Australian Cyber ​​Security Center warned national agencies of a widespread global cyber threat from the Emotet malware.

 

Emotet is an advanced trojan that can steal data and also install other malware. Emotet excels with uncomplicated passwords: an example to remind you of the importance of creating a secure password to protect against cyber threats.

 

End user protection

End-user protection, or endpoint security, is an important element of cybersecurity. Ultimately an individual (end user) who accidentally installs malware or another form of cyber threat on their desktop computer, laptop or mobile device.

 

So, how do cybersecurity measures protect end users and systems? First of all, cyber security; It relies on cryptographic protocols to encrypt emails, files and other important data. This not only protects the transmitted information, but also protects against loss or theft.

 

In addition, end-user security software scans for pieces of malicious code on computers, quarantines that code, and then removes it from the machine. Security programs can even detect and remove malicious codes hidden in the Master Boot Record (MBR) and are designed to encrypt or delete data on the computer's hard drive.

 

Electronic security protocols also focus on real-time malware detection. Many of these help defend against viruses or Trojans (polymorphic and metamorphic malware) that change shape with each run, using heuristics and behavioral analysis to monitor a program's behavior and code. Security programs can limit potential malicious programs to a virtual balloon separate from the user's network to analyze their behavior and learn how to better detect new infections.

 

Security programs continue to develop new defenses as cybersecurity experts identify new threats and new ways to combat them. To get the most out of end-user security software, employees need to be trained on how to use the software. Most importantly, keeping this security software up and running and updating it frequently ensures that it can protect users against the latest cyber threats.

 

 

 

Cybersecurity tips to protect yourself against cyber attacks

 

• Update your software and operating system: This means you benefit from the most up-to-date security patches.
• Use strong passwords: Make sure your passwords are not easily guessable.
• Do not open email attachments from unknown senders: These attachments may be infected with malware.
• Do not click on links in emails from unknown senders or on unrecognized websites: This is a common method of spreading malware.
• Avoid using unsecured WiFi networks in public places: Unsecured networks leave you vulnerable to attacks to interfere with operations.