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Image Steganography: Hidden Secrets in Pixels

https://cybersecurity.att.com/blogs/security-essentials/image-steganography-concealing...

Image steganography is the practice of concealing information within the data of digital images without altering their visual appearance. The hidden data can include text, images, audio, or any other form of binary information. Image steganography serves as a clandestine communication method, providing a means to transmit sensitive information ...

How to create a security culture in your company

https://cybersecurity.att.com/blogs/security-essentials/security-culture

The security policies and attitudes of each employee towards those policies is your company’s security culture. Having good security policies is very important. For example, there need to be policies about limiting and monitoring access to your organization’s sensitive data. But if your organization’s attitude is that compliance with ...

PCI DSS and penetration testing

https://cybersecurity.att.com/blogs/security-essentials/pci-dss-and-penetration-testing

This eliminates organizations from overlooking vulnerabilities, and selective remediation. The PCI DSS requires penetration testing (pen testing) and vulnerability scanning as part of its requirements for compliance, to keep systems secure and to protect payment cardholder data. Pen testing must take place for any organizations or entities who ...

AlienVault is now AT&T Cybersecurity | AT&T Cybersecurity

https://cybersecurity.att.com/documentation/resources/downloads/usm-appliance/nxlog.conf

# # NXLog configuration for converting and sending Windows logs to AlienVault # USM Appliance. Both Community and Enterprise Editions of NXLog are supported.

Building a home cybersecurity lab - AT&T

https://cybersecurity.att.com/blogs/security-essentials/how-to-build-a-home-it...

This gave me a total of 1024 GB of usable HDD space. – Total Cost $154.00 with free Shipping. Server 2. HP DL385 G5 with Dual Opteron 2435 processors with 32 GB of Ram, No HDD and 2 – 750W power supplies. I took the 4 HDD from the first server and used them in this server in the exact same configuration.

Test Your Defenses: Adversary Simulation | AT&T Cybersecurity

https://cybersecurity.att.com/products/adversary-simulation-service

Adversary Simulation Services. Adversary simulation (aka “red teaming”) services from our Cybersecurity Consulting lets customers test their security operations and detection capabilities against the advanced penetration testing techniques used by threat actors today. Get price.

USM Anywhere Custom Dashboard - AT&T

https://cybersecurity.att.com/documentation/usm-anywhere/user-guide/dashboards/...

Add the number of rows you need and select the number of columns you want for each row, between 1 and 4. You can select the row height (small, medium, or large) for each column. Click Save. To share an existing custom dashboard. Go to Dashboards > Custom Dashboards and open the custom dashboard you want to share. Select Actions > Edit Dashboard.

Insider attacks and insider threats in cyber security explained

https://cybersecurity.att.com/blogs/security-essentials/insider-threats

According to Ponemon Institute’s April 2018 Cost of Insider Threats study, insider threat incidents cost the 159 organizations they surveyed an average of $8.76 million in a year. Malicious insider threats are more expensive than accidental insider threats. Incidents caused by negligent employees or contractors cost an average of $283,281 ...

Protecting Connected Cars: 5 Essential Cybersecurity Tips - AT&T

https://cybersecurity.att.com/blogs/security-essentials/5-tips-for-protecting-your...

Lock key fobs away. Key fobs are now standard over traditional keys to unlock vehicle doors. Many cars come with security features that won’t allow doors to be opened unless the fob is near the vehicle or require proximity for the vehicle to start. But hackers can intercept the key fob signal to trick the car into thinking the fob is closer ...

Why should you use correlation rules on top of traditional signatures?

https://cybersecurity.att.com/blogs/labs-research/why-should-you-use-correlation-rules...

On the other hand, correlation rules can be used to detect malicious patterns in the behavior and benefit from the advantages discussed above. The following correlation rules could detect the Ursnif malware without the need to update or create new signatures whenever new indicators are present.

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