4sysops

JANUARY 7, 2025

Routing and Remote Access Service (RRAS) provides secure remote connectivity and network management on Windows Server. With support for modern VPN protocols like SSTP and IKEv2, RRAS ensures encrypted connections, reliable routing, and seamless access to internal resources, making it ideal for hybrid and remote work environments.

Server 52

Server VPN Protocol Encryption 52

Engineering at Meta

NOVEMBER 8, 2023

In addition to protecting personal messages with end-to-end encryption, WhatsApp empowers users to control their own privacy settings: from what you share, how you show up online, or who can reach out to you or add you to groups. Our implementation of silenced calls, with WhatsApp servers enforcing separation.

IP Address 134

IP Address Protocol Server Encryption 134

Engineering at Meta

APRIL 13, 2023

One of the strongest tools at our disposal is end-to-end encryption – meaning that nobody, not even WhatsApp, can read personal messages sent between users. WhatsApp uses several cryptographic keys to ensure that communications across the app are end-to-end encrypted. Why do we need Device Verification?

Server 144

Server Encryption Engineering 144

Engineering at Meta

MAY 22, 2024

In the future, significant advances in quantum computing will make it possible for adversaries to decrypt stored data that was encrypted using today’s cryptosystems. This allows a client to perform cross-host resumption to different servers in the same service. Existing algorithms have reliably secured data for a long time.

TCP 119

TCP Encryption Server Bandwidth 119

AWS Architecture

JANUARY 13, 2025

For step-by-step instructions about creating an AS2 server using Transfer Family, refer to Create an AS2 server using the Transfer Family console. The allowlisted IP address of the end-customer AS2 server is allowed to communicate with Transfer Family for AS2 on AWS. The customer AS2 server sends an acknowledgment using MDN.

B2B 119

B2B Protocol Server Automotive 119

CATO Networks

JANUARY 9, 2018

The much publicized critical CPU vulnerabilities published last week by Googles Project Zero and its partners, will have their greatest impact on virtual hosts or those servers where threat actors can gain physical access. Such unauthorized memory reads may reveal sensitive information, such as passwords and encryption keys.

Server 52

Server Cloud Hypervisor Virtual machine 52

Confluent

AUGUST 14, 2019

Taking on a bit more complexity, you could encrypt data at the storage layer with encrypted volumes using specialized kernel modules that support process-based ACLs, but still someone who gained access could potentially see the values in cleartext. introduces a simple solution for secret encryption. Encryption workflow.

Encryption 13

Encryption Server Networking Network 13

Kentik

OCTOBER 20, 2021

In part 1 of this series, I talked a bit about how encryption is shaping network performance monitoring (NPM). Twenty years ago, we needed to constantly ping servers, switches and routers to make sure that they were still up and running. Let’s dive in deeper now…. If not, peering or new transit can be considered. NPM wrap-up.

Encryption 52

Encryption Routers DevOps Application 52

4sysops

JANUARY 27, 2025

These appliances are crucial for running multiple virtual machines on a single server but are often unmonitored, making them attractive targets for attackers aiming to infiltrate corporate networks, steal data, and encrypt files.

Hypervisor 52

Hypervisor Virtual machine Encryption Server 52

CATO Networks

JANUARY 28, 2025

They posted root access to the university’s server for sale on dark web forums for the low cost of $1,500 USD. The group offered root access to the companys server for $500 USD. Double extortion to exfiltrate data before encrypting target systems. Sale of root access for U.S. university with annual revenue exceeding $5.6

Energy 106

Energy Government Education SASE 106

CATO Networks

MAY 23, 2024

Researchers have labeled this technique ‘decloaking’ as while the VPN tunnel remains connected, it allows attackers to trick many VPN clients into sending traffic via a side channel and not through the encrypted tunnel. The attack requires introducing a rogue DHCP server to the local network.

VPN 52

VPN Dynamic Host Configuration Protocol IP Address Server 52

Apium Hub

NOVEMBER 11, 2024

Azure Arc is a Microsoft deployment solution that allows organizations to expose their on-premise and multi-cloud resources to Azure, providing a centralized control plane for management Azure Arc supports Kubernetes, SQL Server, and virtual machine services on platforms such as Amazon Web Services (AWS) and Google Snake.

DevOps 89

DevOps Server Cloud Virtual machine 89

Engineering at Meta

AUGUST 8, 2023

Using state-of-the-art cryptographic techniques, we have developed Private Data Lookup (PDL) that allows users to privately query a server-side data set. With PDL, we encourage the use of stronger passwords while minimizing the information revealed to the server in the password precheck process. FlashPoint.io, HoldSecurity.com).

Server 95

Server Bandwidth Encryption Engineering 95

CloudFaire

DECEMBER 20, 2024

Websockets operate over a single, persistent TCP connection established between a client and server. If you were building a chat application prior to WebSockets, you would likely have your client-side app poll the server every n seconds to see if there are new messages to be displayed. WebSockets eliminated this need for polling.

Application 85

Application Server TCP Gateway 85

CloudFaire

DECEMBER 30, 2024

Servers listening on the Internet have to be robust to traffic that is not RFC compliant, whether caused by accident or malicious intent. Server receives the request HEADERS frame and validates it against RFC 9114 rules. Server sends the response HEADERS frame on the same stream. Once connected, actions are executed in order.

Protocol 101

Protocol Server Internet TCP 101

Network Engineering

JULY 3, 2021

hostname ciscoasa enable password 8Ry2YjIyt7RRXU24 encrypted passwd 2KFQnbNIdI.2KYOU 2KYOU encrypted names ! threat-detection basic-threat threat-detection statistics access-list no threat-detection statistics tcp-intercept webvpn username cisco password 3USUcOPFUiMCO4Jk encrypted ! interface Ethernet0/1 !

VPN 52

VPN IP Address Encryption TCP 52

Kentik

FEBRUARY 8, 2023

Software probes Software probes are programs that can be installed on servers or network devices to collect data on network traffic. Regularly update and patch servers and devices for security and performance. Detect and alert on non-encrypted traffic. They can provide detailed information on traffic patterns and usage.

Network 111

Network Networking Port IP Address 111

AWS Architecture

OCTOBER 11, 2024

Organizations must enforce S3 security best practices , such as enabling access logs, blocking public access, and enabling encryption at rest. Bucket: # Create an S3 bucket with AWS-managed keys encryption bucket = s3.Bucket( Bucket( self, constants.BUCKET_NAME, versioned=True if is_production_env else False, encryption=s3.BucketEncryption.S3_MANAGED,

Government 65

Government Encryption Application Cloud 65

Confluent

JULY 31, 2019

New Secret Protection encrypts secrets within the configuration file itself and does not expose the secrets in log files. The best approach to this problem is to encrypt secrets directly, so that they are never stored in cleartext. New Confluent Server software package. you need to deploy the Confluent Server software package.

Cloud 19

Cloud Server Encryption Application 19

CATO Networks

JULY 22, 2015

A paralegal opened up a phishing email attachment and her, anti-virus protected, PC disk was maliciously encrypted by Cryptowall malware. The ransomware has to connect to its C2 (Command and Control) server to get the encryption key pair generated and the public key delivered to the machine.

Encryption 52

Encryption Email Financial Network Security 52

CATO Networks

DECEMBER 3, 2019

VPNs encapsulate data and encrypt the data using an algorithm contained within the transmission protocol. VPN traffic is encrypted and decrypted at the transmission and receiving ends of the connection. VPNs can also be set up using L2TP/IPsec protocols, which proves to have much stronger encryption than PPTP.

VPN 52

VPN Encryption Wide Area Network Protocol 52

Akins IT

JULY 30, 2019

DEEP-PACKET SSL INSPECTION Its now estimated that over 70% of traffic is now SSL encrypted. From a security perspective, this means that every connection to an SSL enabled website is encrypted between the hand-shake of an endpoint (a computer) and the connecting server.

Firewall 52

Firewall Encryption Network Networking 52

Kentik

JANUARY 24, 2022

If you are thinking that those represent HTTP and HTTPS, you would be largely correct, but that doesn’t mean it’s traffic involving web servers. It might, but NBAR struggles with the fact that most traffic today is transmitted over HTTPS, which means it is encrypted. How did this happen? NetFlow application monitoring: Use DNS logs.

Application 96

Application IP Address DNS Port 96

Akins IT

JULY 12, 2018

That password is stored on a hosting server, hopefully with tightened security in place like encryption or password hashing. And yes, even when these measures are in place, passwords are susceptible to breaches by man in the middle attacks, compromised servers, and end-user password phishing by far the most common.

Server 52

Server Encryption Cloud Network 52

Engineering at Meta

MAY 3, 2023

Since the browser encrypts the user’s information before storing it, the malware performs the following steps to decrypt the user data: It will read the encrypted_key from the “Local State” file, Base64 decode it, and retrieve the decryption key by using the win32crypt Node.js This C2 server URL is hard-coded into the malware.

Cookie 116

Cookie Internet JavaScript Media 116

Network Engineering

AUGUST 19, 2020

WAN > OPNsense (in ESXi)> switch (C3560G) OPNsense is DHCP server Thing is that i would like the switch to deal with the DHCP, to avoid being naked when ESXi needs maintenance. Also need to setup a VPN on OPNsense but will that be possible if 3560 is acting as the DHCP server? dns-server 10.0.0.2 dns-server 10.0.0.2

IP Address 52

IP Address DNS Routers Server 52

CATO Networks

MAY 15, 2017

EternalBlue exploits the vulnerability in Server Message Block (SMB) version 1 (SMBv1) protocol to spread between machines. More specifically, the attack exploits a vulnerability in the way an SMBv1 server handles certain requests. Once installed, the ransomware encrypts the files on the machine.

SMB 52

SMB Cloud Server Firewall 52

CATO Networks

JUNE 29, 2017

Attackers allegedly planted the malware in the companys update servers. The machine is then forced to reboot, encrypting the files and locking the computer. Recent reports indicate that encryption key may randomized and therefore impossible to provide. Ukraine was indeed the primary victim for this attack. A total of 3.8

SMB 52

SMB Cloud Encryption Email 52

Akins IT

JUNE 6, 2016

Because cryptolocker can encrypt files that are mapped to drives, your backup plan should include backing up to an external drive or backup service that is not assigned a drive letter. This, of course, wont prevent all damage but may prevent some if you act immediately by disconnecting.

Email 52

Email Encryption Server Cloud 52

CATO Networks

MAY 24, 2020

The same group that was behind a series of attacks on companies using sophisticated malware that encrypts files, known as Sodinokibi or REvil. It is speculated that the attack on Travelex became possible because the company had failed to patch vulnerable VPN servers. We also address the shortcomings of VPNs.

VPN 52

VPN Server SASE SMB 52

CATO Networks

MAY 18, 2023

Validation includes all managed devices, IoT, mobile, servers, BYOD and other network devices. Pillar 3: Network/Environment To achieve the zero trust principles of Network Segmentation, Threat Protection and Encryption, a new, dynamic architecture is required. Cato SSE 360 inspects and evaluates users and devices for risk.

Encryption 52

Encryption Application Cloud Network 52

Indeed Engineering

JULY 3, 2024

We run multiple SPIRE Servers in each Kubernetes cluster for redundancy. SPIRE Servers in each cluster have a common datastore for synchronization. A single Spire Server can go down in any cluster without any outage. All SPIRE Servers in a cluster going down only affects workloads in that cluster.

Server 52

Server Topology Encryption Cloud 52

NW Kings

DECEMBER 10, 2024

A TCP port is a unique number assigned to specific services and applications that run on a server. It serves as an endpoint for communication between a client and the server, allowing different communication processes over a network. This combination directs network traffic to the appropriate service or application running on a server.

UDP port 40

UDP port Port TCP IP Address 40

CATO Networks

JANUARY 8, 2025

The stolen data is sent to command and control servers and hidden on the dark web. In a ransomware event, servers and endpoints are encrypted with a secret key held by the threat actor, who demands a ransom for the key. Ransomware acts as camouflage for the threat actors’ activities.

Healthcare 59

Healthcare SASE Server Encryption 59

CATO Networks

MARCH 30, 2023

After the initial infection stage is complete, Qakbot expands its footprint on the infected system and eventually uses encrypted communication with Qakbot command and control (C2) servers to further conceal its activities and evade detection. Examples of common LOLBins include cmd.exe, powershell.exe, rundll32.exe exe and regsvr32.exe.

Network 52

Network Networking Email Server 52

CATO Networks

MARCH 20, 2017

The POC was able to generate the so called Blue Screen of Death on Windows clients that connects into a compromised SMB server. Vulnerabilities in SMB servers should be treated very seriously. If attackers compromise an SMB server in the organization, they can exploit SMB vulnerabilities as part of wider lateral movement.

SMB 52

SMB Server Access Point JavaScript 52

CATO Networks

OCTOBER 18, 2020

The malware might exfiltrate data to its C&C server or infect other WAN-based resources, such a file server. Because all such evaluations are done in a single pass of the traffic where the data flow is decrypted once, inspected, then re-encrypted performance is truly enhanced. This adds unnecessary latency to the network.

SASE 52

SASE Application Internet Network Security 52