Why cloud security is important

Trusted Advisor for IT & Telecommunications Sourcing

Cloud security – indispensable

In an increasingly digitalized world, companies are turning to cloud computing to grow, modernize processes and remain competitive. But with opportunities come new risks.

In a nutshell:

80% of CISOs report cloud data breaches in the last 18 months
43% of them even had ten or more incidents
Lack of protective measures puts companies, employees and customers at risk

Cloud computing offers enormous benefits, but anyone using the platform must also understand the security risks and protect themselves in a targeted manner.

The solution: cloud security, the key to secure digitization and protection of sensitive data in the cloud.

What does cloud security mean in concrete terms and why is it indispensable today?

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What are the risks of cloud computing?

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1

Misconfiguration – the biggest security risk

Setting up a secure cloud environment is complex. Even small configuration errors can cause major security gaps – often without anyone noticing. According to IDC, misconfiguration is the most common cloud security problem, followed by a lack of transparency in access settings and errors in identity authorizations.

Practical example:
2018, a US non-profit organization accidentally published 3.5 million data records, including personal information. The cause was a publicly accessible Amazon S3 storage bucket that was incorrectly configured.

The fact is:

Human error remains the greatest risk.
A lack of training or incorrectly set access rights lead to careless errors.
Security teams must consistently secure systems, against carelessness and intent in equal measure.

Gartner puts it in a nutshell:
“It’s not so much about whether the cloud is secure … it’s about how securely you use it.”

2

Criminal activities – targeted attacks on companies

Even though many problems are caused by human error, cyber criminals are a constant threat. Companies that store large amounts of sensitive data are the target of targeted attacks.

Typical attack methods:

Phishing and malware – via deceptive e-mails or malware.
Misuse of standard configurations – attackers know exactly how common cloud systems work.
Exploitation of human weaknesses – misconduct or negligence is deliberately provoked.

More than half of all cyberattacks in Germany in 2018 were malware attacks. Today, hacker groups are increasingly using AI-supported methods to circumvent protection mechanisms.

Conclusion: If you use the cloud, you need to understand technology – as well as the attackers themselves.

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What is cloud security?

Cloud security comprises principles, methods and technologies that serve to control and secure cloud environments.

It protects systems by:

Strict access controls
Regular system checks
Compliance with global security framework
Constant monitoring and audits

The major providers such as Google Cloud, Microsoft Azure and Amazon Web Services have established high security standards. Nevertheless, the responsibility lies with the users:

It’s not just about whether the cloud is secure, but how it is used.

Those who operate their own cloud infrastructures must also take this into account:

Security architecture and physical protection
Disaster recovery and maintenance
Connection stability and compliance

Cloud security also helps companies to comply with international regulations such as the GDPR, for example by setting up a data protection-compliant architecture.

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Frameworks for cloud security

Three recognized standards exist to provide orientation for IT professionals worldwide:

Cloud Security Alliance (CSA)

Operational framework with questionnaires and self-assessment tools
Supports the technical testing of third-party providers and own systems

International Organization for Standardization (ISO)

Detailed checklists for new systems
ISO 27017 and ISO 27018 standards deal specifically with cloud security

National Institute of Standards and Technology (NIST)

Provides frameworks, best practices and guidance on specific security issues
US body with global relevance

Advantages of a secure cloud

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1. increase in organizational flexibility

Cloud providers enable dynamic scaling: licenses can be added or removed quickly, resources are provided programmatically, and companies can react immediately to changes without physical hardware limits.

2. improved data security

No physical systems in the office → no risk of manipulation
Providers always keep systems up to date, patch and back up regularly
Higher data security through specialized infrastructure

3. better disaster recovery

Secure clouds enable fast backup and recovery – even for remote employees.

No physical network access required
Access can be blocked immediately if the device is lost
Data remains protected and recoverable

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Conclusion: Why cloud security is crucial

Cloud computing opens up completely new opportunities for companies:

Better customer service through improved data collection and storage
More flexibility through remote working and rapid scalability
Greater efficiency through networked systems and shared data

But without security, there is no future.

Misconfigurations and cyberattacks remain real dangers.
Only with consistent cloud security can digital resources be effectively protected, human error compensated for and avoidable damage prevented.