#cybersecurity
Cyber threats and methods of ensuring information security
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Cyber threats and methods of ensuring information security

It seems that not so long ago, the internet was just a place where we searched for information and made new acquaintances. Today, our whole lives are online: bank accounts, work projects, personal correspondence, family photos, medical records. Convenient? Yes. Safe? Well, let’s be honest, not really.

Cyber threats and methods of ensuring information security

Hackers and scammers no longer wear black hoodies and sit in dark basements (well, only some of them). More often than not, they are entire teams with offices and work schedules, for whom hacking you is just another task on their calendar, like increasing conversion rates for a developer or marketer. Phishing emails, viruses, database leaks — all of this has long become commonplace.

And the problem isn’t just that you can lose money. Sometimes you lose things that can’t be sold at all: reputation, customer trust, peace of mind. Restoring these things is much more difficult than simply blocking your card and reissuing a new one.

In this article, together with Yevhen Kasyanenko, an expert and head of the KISS team, we will look at the main threats and methods of ensuring information security in order to learn how to protect your data and business.

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What is information security and why is it important?

“Today, data can be considered the heart of any business and personal life: money in your account, customer base, work projects, personal photos. The loss or theft of this information can cost much more than it seems,” says our expert.

Information security is about closing all the “loopholes” for data theft or damage. And yes, the danger comes not only from hackers, but also from employee errors, outdated software, or that flash drive you left in a taxi.

That’s why protecting your information is not an optional extra, but a prerequisite if you want to sleep peacefully and work without unpleasant surprises.

 

Basic principles of information security

Any reliable data protection is based on three simple rules:

  • Confidentiality – access only for authorized persons. If an outsider can access your database or email, then confidentiality has already been compromised.
  • Integrity – data must remain in the form in which it was created. No “accidental” corrections of figures in reports or document substitutions.
  • Availability – protection should not interfere with work. Information should be available when it is needed, not after ten approvals and at specific times.

Adherence to these principles is like a good lock on a door: it does not interfere with life, but it saves you from trouble.

The difference between cybersecurity and information security

Cybersecurity is about protecting the digital part of your life: servers, corporate networks, clouds, websites, email. Anything connected to the internet is a target here. The goal is simple: to prevent attackers from getting inside and disrupting the operation of systems.

Information security goes further. It is responsible for all data, regardless of whether it is stored in the cloud, in a folder on a computer, or in a paper archive. This is not just about technology, but also about physical security, access control, employee training, and process organization.

In short, cybersecurity is part of information security, but without it, you cannot build a complete shield. One protects against attacks on the network, the other, in general, against any risks, wherever your information is located.

 

“Imagine that your company is like a fortress. Cybersecurity is the guard at the gate who makes sure that no one gets in through the internet. Information security is the whole complex: high walls, a moat, locks on the doors, and a safe that even the most cunning thief cannot reach. Remove even one element and the entire defense will be weakened,” notes Yevhen Kasyanenko.

Major threats to information security

To protect information, it is necessary to use comprehensive methods, which we will discuss in more detail.

Malicious software

Malware is a general term for all programs that harm devices and data. This includes:

  • Ransomware – encrypts your files and demands a ransom.
  • Spyware – quietly “spies” on you, collecting passwords, correspondence, and documents.
  • Viruses and Trojans – disrupt the operation of systems or turn your computer into part of a botnet.

Protection here is classic but essential: antivirus software with up-to-date databases, regular updates of all software, and caution with attachments and links.

Phishing and social engineering

Phishing is when you are presented with a fake version of the original: a website, email, or authorization form. You enter your data and it goes to the attackers.

Social engineering is more subtle: the criminal pretends to be a bank employee, technical support, or even a colleague and convinces you to disclose the necessary information yourself.

What helps protect you:

  • multi-factor authentication;
  • anti-phishing filters;
  • training your team to recognize such attacks.

All of these measures work together to maximum effect.

DDoS attacks and hacks

A DDoS attack is when a website is literally flooded with internet requests so that it simply “crashes” and the server stops responding. Sometimes such attacks can be just a diversionary tactic to penetrate the system.

Account hacks most often occur due to:

  • weak or repeated passwords;
  • old data leaks;
  • holes in software.

Complex unique passwords, encryption, constant activity monitoring, and solutions that filter out excess traffic during DDoS attacks will help protect you.

Attacks using artificial intelligence

AI now works “in the negative” — on the side of cybercriminals. It helps them:

  • write malware that adapts to antivirus programs;
  • generate plausible phishing emails;
  • find vulnerabilities in systems in a matter of minutes.

The solution is to put “smart” defenders on the same technological level as hackers: use AI in defense. Such systems detect suspicious activity as it approaches and manage to block it before the attack can affect the business in any way.

Main threats and ways to ensure information security

Knowing what threats exist is only half the battle. The other half is knowing how to effectively counter them. There is no magic “Protect All” button, although the targeted protection tips we described above form the basis of a comprehensive approach, where technology, clear rules, and physical controls complement each other and cover all possible gaps in protection.

 

Technical protection methods

Technical measures are your digital shield:

  • antivirus software catches malicious files at the entrance;
  • firewalls block unnecessary traffic;
  • VPN encrypts the connection;
  • IDS/IPS monitor the network and block threats before they attack.

But it’s important not to just “set it and forget it”; these tools must be up to date, properly configured, and work proactively, not after a breach has occurred.

Administrative measures

Technical protection is important, but without clear rules and discipline, even the most expensive software won’t save you. That’s why it’s important to focus on three key points:

  • Security policies – clear instructions on who can do what with confidential information and how.
  • Access control – only the rights necessary for work should be given to each employee.
  • Employee training – training them in data security is the best preventive measure.

In most cases, the “weak link” is not the software, but the people. The more knowledgeable the staff, the less chance hackers will have of breaking through.

Physical data security

Yes, data can be stolen the “old-fashioned” way, simply by gaining access to the equipment. Solution:

  • Access control and locks on server room doors.
  • Backups in case of failures or attacks.
  • Video surveillance in areas with critical equipment.

This level of protection is often underestimated, but it saves the day when the problem arises not on the network, but right in the office or data center.

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Modern data protection technologies

The digital world is developing very rapidly. But hackers are evolving along with it. The good news is that cybersecurity specialists also have trump cards. Today, these are artificial intelligence, blockchain, and the Zero Trust concept.

Artificial intelligence and machine learning

AI in cybersecurity is like a smart guard who learns with every attack. It sees when user behavior deviates from the norm, anticipates threats, filters malicious emails, and blocks phishing attempts before they even arrive. Machine learning allows the system to adapt to new hacking schemes, and its response speed makes it a particularly valuable player in data protection.

Blockchain in cybersecurity

Blockchain is like a shared ledger, with copies stored by hundreds of trusted participants around the world. Its advantages for cyber defense are as follows:

  • To change one entry, you have to change them all at once—an almost impossible task.
  • This structure protects data from tampering and hidden changes.
  • Blockchain is already being used today for secure authentication, transaction protection, and the issuance of digital certificates.

And it’s not just a storage facility, but an architecture in which the system itself prevents the rules from being circumvented.

 

Zero Trust Architecture

Zero Trust translates into a simple principle: “Don’t trust anyone by default.” Even if a user is already on the network, that doesn’t mean they can go anywhere. Advantages:

  • Every connection is re-verified, whether you’re at the office or at home.
  • Access is only granted to what is needed right now, and only to the extent that it is needed.
  • Even a stolen password won’t help if there are no additional levels of verification.

In the era of remote work and dozens of entry points, this approach will act as a filter that blocks not only external attackers but also internal threats.

How businesses can protect their data

Today, businesses are rapidly embracing the digital world. Accounting, sales, customer correspondence, and even work chats are all conducted online. Convenient? Absolutely. But with that convenience comes a growing temptation for hackers.

Integrating cybersecurity into corporate processes

Reliable protection is not only about installing the right software, but also about forming company habits:

  • Update your software to close vulnerabilities.
  • Use two-factor authentication to prevent stolen passwords from becoming a passcode.
  • Regularly monitor the network to catch threats at the outset.

Cybersecurity should be built into daily work, not turned on “as needed.”

Protecting customer personal data

Customer data should not be viewed simply as rows in a table, because it is essentially the trust that has been placed in you. The loss or leakage of this information hurts more than any fines. Therefore, it is important to pay attention to the following aspects:

  • GDPR and other standards are the basis of system protection.
  • Encryption – even stolen files will remain “locked in a safe.”
  • Minimum access – only to those who really need it.
  • DLP systems – catch and block leaks.

The more reliable the protection, the stronger the trust of customers.

How to ensure information security in everyday life

Effective data protection starts with basic account settings and protection. Cybercriminals often take advantage of inattention and tight deadlines for resolving fake problems.

 

Below, we suggest that you familiarize yourself with general methods and means of ensuring information security that will be useful for everyone.

Use strong passwords

“Password creation should be illogical. What does that mean? The code you come up with for secure account access should be unique and contain all kinds of randomly arranged symbols and letters in different registers. But definitely not your date of birth, surname, or address,” says expert Yevhen Kasyanenko.

For convenience, you can use password managers that securely store data and automatically fill it in when you log in. But it is more reliable to use physical media for storing records.

Be careful with phishing links

The most common method of gaining access to personal data is through fake emails from banks, social networks, and popular services. Fraudsters disguise their links as well-known companies, which unconsciously forces users to open the content. It is important to check and compare official names and links.

Regular software updates are the obvious key to information security

Automatic updates to your operating system, antivirus software, and browsers instantly close the vulnerabilities that hackers love to exploit. The fresher the software, the less chance there is that someone will find a “back door” in it.

Use two-factor authentication

2FA is your extra key to your account. Passwords can be stolen, but without the code from an SMS or authenticator app, an attacker will hit a brick wall. It’s a simple action that turns your account into a fortress.

The future of cybersecurity: what challenges await us

The faster technology grows, the faster new ways to hack it appear. This means that we need to study them now and think through measures to ensure information security.

The threat of quantum computers

Today’s methods of protecting information security on the network through encryption are reliable, until quantum computing comes into play. Such machines will be able to “break down” modern cryptographic algorithms into pieces in minutes, where a conventional computer would take centuries.

The solution already exists—post-quantum cryptography. These are new algorithms that will be resistant even to the power of quantum processors. But they need to be implemented in advance, otherwise the transition could be disastrous for data protection.

Growth of attacks using AI

Artificial intelligence in the hands of cybercriminals is like an experienced hacker who never sleeps and works at the speed of light. AI algorithms can, in real time:

  • search for vulnerabilities in systems;
  • adapt to protective mechanisms;
  • mask their activity so that it is difficult to track.

“You can only fight AI with AI,” says Yevhen Kasyanenko.

Information security in smart cities

Smart cities are full of IoT devices, from traffic lights to video surveillance systems. But each of these “smart” points can become an entry point for hackers. Hacking sensors or transport systems can paralyze entire areas.

Protection here means encrypting communication channels, regular updates, and round-the-clock AI monitoring that will detect anomalies before a failure occurs.

Conclusion

The world of cyber threats is changing faster than we can get used to new technologies. Today, it is no longer enough to simply install antivirus software and hope that it will filter everything out. Data protection is a complex set of measures: from well-thought-out security architecture and employee training to the implementation of AI systems and post-quantum algorithms.

As Yevhen Kasyanenko, head of the KISS team, says:

“There is no finish line in information security. It’s like sports: if you stop training, you lose your form. Data protection is a continuous process, and the winner is the one who is always one step ahead of the threats.”

If you want your business and personal data to be protected not just “on paper” but in reality, start taking action now. At KISS, we will help you build a defense that will close all vulnerabilities and give you the main bonus—peace of mind. Contact us right now for a free consultation.

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