eSecurity Planet

AUGUST 28, 2023

Some of these attacks are challenging to detect because they look like they could be the behavior of legitimate system administrators. August 24, 2023 Akira ransomware targeting Cisco, but MFA helps Akira ransomware groups have been exploiting Cisco’s virtual private network ( VPN ) tools.

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VPN Authentication Mobile Firewall 93

eSecurity Planet

MARCH 21, 2022

They then authenticated to the victim’s VPN to initiate a remote desktop protocol (RDP) connection to the domain controllers. Deny atypical inbound activity from known anonymization services, to include commercial VPN services and The Onion Router (TOR). When possible, implement multi-factor authentication on all VPN connections.

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VPN Accountability Authentication Passwords 117

Security Affairs

AUGUST 16, 2023

The company added that successful exploitation requires that the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server. System administrators need to be aware that adversaries can exploit edge devices to place backdoors that persist even after updates and / or reboots.”

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System Administration VPN Software Hacking 86

Duo's Security Blog

MAY 11, 2022

And certain VPN clients or remote access agents perform posture checks to enforce device-based access policies. But organizations are moving their applications to the cloud, allowing BYOD and contractor devices for work, and reducing their reliance on VPN for remote access.

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VPN Firewall System Administration Encryption 55

Security Affairs

DECEMBER 24, 2020

The attacks began last week, the systems administrator Marco Hofmann first detailed them. To disable DTLS on a ADC equipment admins could issue the following command from the command line interface: set vpn vserver -dtls OFF. I found these source IP addresses of the attackers in my nstraces: 45.200.42.0/24 24 220.167.109.0/24

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DDOS System Administration VPN Authentication 117

Malwarebytes

JANUARY 29, 2021

The RDP service can be configured by Windows systems administrators to run on TCP (usually port 3389) and/or on the UDP port (3389). Put RDP access behind a VPN so it’s not directly accessible. But this time we are going to talk about a different kind of attack that makes use of open RDP ports. RDP as a DDoS attack vector.

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DDOS VPN System Administration Engineering 76

CyberSecurity Insiders

SEPTEMBER 24, 2021

If you have to work remotely, avoid using public Wi-Fi and activate a VPN (Virtual Private Network). Human errors often lead to data breaches, malware, and virus attacks that might compromise the company’s systems. Thus, it would be best if you secured all networks by incorporating firewalls and advanced encryption technology.

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Cybersecurity Data breaches Backups Firewall 90

Security Affairs

JUNE 8, 2022

Enforce MFA on all VPN connections [ D3-MFA ]. Ensure that you have dedicated management systems [ D3-PH ] and accounts for system administrators. Disable unused or unnecessary network services, ports, protocols, and devices [ D3-ACH ] [ D3-ITF ] [ D3-OTF ]. Protect these accounts with strict network policies [ D3-UAP ].

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Telecommunications Authentication Passwords Accountability 97

Malwarebytes

JULY 23, 2021

At least 15,000 systems, including devices connected to CNA’s network via VPN, were instantly affected after the threat actors detonated the ransomware. Data stolen but untouched. CNA Prior to executing Phoenix, the threat actors were able to steal important and sensitive information affecting 75,349 individuals.

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Ransomware Unstructured Data Accountability Consumer Protection 95

NopSec

MARCH 16, 2020

For organizations of various sizes that means being able to quickly set up remote working systems to enable employees to work from their homes so that they can protect themselves from being infected. That in turn means answering the following questions: How many VPN terminations do I have and which routable IP addresses they are mapped to?

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VPN Accountability Risk System Administration 40

SiteLock

AUGUST 27, 2021

Network security is typically managed by a network administrator or system administrator who keeps an eye on unauthorized access, modification, and exploitation to the network. Virtual Private Network (VPN) – A VPN is used to create a safe and encrypted connection over private and public networks, like the internet.

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Cybersecurity Malware VPN Network Security 52

eSecurity Planet

SEPTEMBER 11, 2023

Network security is another big theme this week: Whether it’s a VPN connection or an enterprise-grade networking platform, patch management solutions typically won’t update network devices, so admins may need to keep an eye on any flaws there too. of the Atlas VPN Linux client. via port 8076. version of Superset.

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VPN Firmware Authentication Phishing 113

Malwarebytes

APRIL 21, 2021

PCS provides Virtual Private Network (VPN) facilities to businesses, which use them to prevent unauthorized access to their networks and services. There is no patch for it yet (it is expected to be patched in early May), so system administrators will need to mitigate for the problem for now, rather than simply fixing it.

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VPN Authentication Malware System Administration 77

NopSec

OCTOBER 19, 2015

Citrix remote desktop, remote desktops still open through the firewall, and the omnipresent VPN or SSL VPN connections) that an attacker can exploit through the firewall. A NULL session attack is something that system administrators often neglect to consider when hardening networks. How times have changed.

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Firewall VPN Passwords System Administration 40

eSecurity Planet

MARCH 25, 2022

A few days later, IT systems started malfunctioning with ransom messages following. The system administrator did not configure standard security controls when installing the server in question. Meanwhile, the suspect server was connected to the CDOT domain with an administrator account and the internet.

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VPN Software Authentication Encryption 120

SecureList

OCTOBER 17, 2022

Retrieves various system information, namely: Local network IP addresses. Available privileges (SYSTEM, administrator or normal user). VPN spoofing DLL. PluginDestory [sic]. Shuts down the framework. GetSystemInfo. Network protocol used for C2 communication (hardcoded to Tcpv4 in all discovered samples). rascustoms.dll.

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Malware Encryption Social Engineering System Administration 86

Security Boulevard

MAY 28, 2022

System administrators usually know their systems very well. With the move to DevOps, I’m not sure if that is decreasing because systems are more transitory or the monitoring systems have kept pace or improved because of it. . — Rob Fuller (@mubix) June 14, 2018. What are these tricks?

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System Administration Accountability Passwords VPN 62

eSecurity Planet

JULY 6, 2021

Kaseya’s flagship product is a remote monitoring and management (RMM) solution called the Virtual Systems Administrator (VSA) and is the product at the center of the current attack. When administrators noticed suspicious behavior on Friday, Kaseya shut down VSA. VSA server breached.

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Ransomware B2B Software System Administration 122

Malwarebytes

NOVEMBER 1, 2021

To better understand the nuts and bolts of a ransomware attack, we spoke to Ski Kacaroski, a systems administrator who, in 2019, helped pulled his school district out of a ransomware nightmare that encrypted crucial data, locked up vital systems, and even threatened employee pay.

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Ransomware Backups System Administration Cyber Insurance 117

Duo's Security Blog

NOVEMBER 30, 2022

We use Duo SSO for securing access to Microsoft 365, Cisco AnyConnect VPN, and IFS Aurena, our ERP system. We are glad we chose Duo for securing access to modern apps that our hybrid workforce depends on.” – Carlos Cortes, Business Systems Administrator, ASO Worldwide How do I sign up?

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eSecurity Planet

MAY 19, 2022

This cloud-centric model offers administrators granular network management opportunities while leveraging the bandwidth and reducing the cost of service delivery. Many software-defined networking solutions (SDN) have built-in 128- and 256-bit AES encryption and IPsec-based VPN capabilities. Encrypting Data in Transit.

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Firewall Architecture Software Backups 57

SecureList

JUNE 17, 2021

com/vpn-service/$(f1)/crunchyroll-vpn. Notify your supervisors as soon as possible. By hiding the truth and not communicating with us, what happened will be published on social media and yet in news websites. File Hashes. b9dbdf11da3630f464b8daace88e11c374a642e5082850e9f10a1b09d69ff04f. Domain: hxxp://yuuuuu44[.]com/vpn-service/$(f1)/crunchyroll-vpn.

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Ransomware Encryption VPN System Administration 129

Security Affairs

MARCH 27, 2023

The Originating Malvertising Campaign According to CTI investigation on the adversary infrastructure, we were able to identify an ongoing campaign luring system administrators to install the malicious code into their machines. The module also exfiltrates 2FA secrets from Twilio’s Authy local storage.

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Malware Social Engineering Encryption Marketing 85

SecureWorld News

OCTOBER 15, 2020

I would call the company I'd targeted, ask for their computer room, make sure I was talking to a system administrator, and tell him, 'This is [whatever fictitious name popped into my head at that moment], from DEC support. Investigators found that VPN trouble was common at Twitter after the sudden shift to remote work.

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Social Engineering Media Scams Financial Services 92

The Last Watchdog

JUNE 22, 2020

Keeler Keeler outlined how implementing three tried-and-true technologies — Single Sign-On (SSO,) multi-factor authentication (MFA) and virtual private networking (VPN) — can go a long way to locking down school networks.

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Mobile Passwords Technology VPN 277

SecureList

NOVEMBER 14, 2022

Okta was breached through one of its service providers, Sitel, itself compromised via the insecure VPN gateway of a recently acquired company. We encourage system administrators to immediately set up monitoring for these machines, due to the unlikelihood that patching (even in a timely fashion) will be sufficient to protect them.

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Firmware Surveillance Mobile Telecommunications 106