SecureList

JUNE 1, 2023

Since it is impossible to inspect modern iOS devices from the inside, we created offline backups of the devices in question, inspected them using the Mobile Verification Toolkit’s mvt-ios and discovered traces of compromise. Install MVT Once the backup is ready, it has to be processed by the Mobile Verification Toolkit.

Malware 145

Malware Backups Mobile DNS 145

Webroot

JUNE 21, 2021

It may be as simple as the deployment of antivirus plus backup and recovery applications for your end users, or a more complex approach with security operations center (SOC) tools or managed response solutions coupled with network security tools such as DNS and Web filtering, network and endpoint firewalls, VPNs, backup and recovery and others.

Backups 131

Backups DNS Ransomware Antivirus 131

CyberSecurity Insiders

MARCH 21, 2021

With a VPN like Surfshark to encrypt your online traffic and keep it protected against any security breach, your valuable data isn’t going to get compromised easily anytime soon. Backup data on Cloud . Even if you take all the protective measures, you don’t want to be left without any backup or options in case of a cyber attack.

Small Business 145

Small Business Cyber Attacks VPN Backups 145

Malwarebytes

JULY 26, 2022

Part 1: Your data has been encrypted! Part 1: Your data has been encrypted! As you can see, our files have in fact been encrypted by the ransomware across multiple directories with the “ encrypt ” extension. Let’s start a ping to Google’s DNS server. encrypted versions of the same file. .

Encryption 78

Encryption Ransomware Backups Firewall 78

eSecurity Planet

SEPTEMBER 3, 2022

For example, the 2016 DDoS attack on the Dyn managed domain name service (DNS) caused the DNS service to fail to respond to legitimate DNS inquiries and effectively shut down major sites such as PayPal, Spotify, Twitter, Yelp, and many others. Also read: How to Secure DNS. Types of DDoS Attacks. Harden infrastructure.

DDOS 145

DDOS DNS Firewall Internet 145

Security Affairs

FEBRUARY 9, 2021

Another interesting issue addressed by Microsoft with Microsoft February 2021 Patch Tuesday security updates is a Windows DNS Server Remote Code Execution vulnerability tracked as CVE-2021-24078. “This patch fixes a bug in the Windows DNS Server that could allow remote code execution on affected systems.

DNS 100

DNS IoT Backups Mobile 100

Security Affairs

JANUARY 29, 2023

If you want to also receive for free the newsletter with the international press subscribe here.

DNS 98

DNS Data breaches Hacking Backups 98

Security Affairs

APRIL 12, 2019

Unfortunately, users that have no backups of their encryption keys will be not able to read their previous conversations. On Friday, the attacker used the Cloudflare API key to change the DNS records for matrix.org and redirect users to a GitHub page displaying a portion of the compromised data as a proof of the hack.

Hacking 108

Hacking DNS Passwords Data breaches 108

eSecurity Planet

APRIL 24, 2023

Also, webmasters can manage: API access PHP MySQL databases DNS records Backups FTP users Users can also create packages with predefined resource limits, view resource usage, automate accounts management, and more. SSL Certificates for data encryption The S at the end of an HTTP connection indicates a Secure Sockets Layer (SSL).

Backups 97

Backups Cybercrime Authentication Accountability 97

Cisco Security

DECEMBER 14, 2022

release delivers more features to the three key outcomes: see and detect more threats faster in an increasingly encrypted environment, simplify operations, and lower the TCO of our security solution. Further enhancements to Cisco’s Encrypted Visibility Engine (EVE), first launched a year ago in 7.1, See More – Detect Faster.

Firewall 145

Firewall VPN Encryption DNS 145

eSecurity Planet

FEBRUARY 23, 2022

Similarly, SPA installs a service, such as the open-source fwknop service, on a server or gateway to listen for specific instructions in an encrypted packet. A cloud-based data server storing backups or security log files. SPA is often integrated into zero trust solutions. Stalling for Time.

DNS 118

DNS Firewall Encryption VPN 118

eSecurity Planet

DECEMBER 23, 2020

As a result, companies are relying on virtual private networks (VPNs) , which establish encrypted connections to enterprise applications over the public internet, to connect their workforce. VPNs are intrinsically designed to be encrypted tunnels that protect traffic, making them a secure choice for enabling remote work.

VPN 105

VPN DNS Authentication Mobile 105

eSecurity Planet

SEPTEMBER 29, 2021

But more and more, organizations need to plan for the possibility that the worst may happen – and that involves ransomware-proof backups and ransomware removal tools and services. Bank-grade encryption to help keep information like passwords and personal details secure. Automatic, secure 50 GB cloud backup. DNS filtering.

Ransomware 110

Ransomware VPN Backups Malware 110

Malwarebytes

AUGUST 8, 2023

To detect unauthorized use of Cloudflare Tunnels, the researchers recommend that organizations monitor for specific DNS queries (as shared in the report) and use non-standard ports like 7844. Stop malicious encryption. Create offsite, offline backups. Keep backups offsite and offline, beyond the reach of attackers.

Backups 93

Backups Ransomware DNS Software 93

eSecurity Planet

MARCH 22, 2023

Similarly, spoofed domain name system (DNS) and IP addresses can redirect users from legitimate connections to dangerous and malicious websites. Additional protection may be deployed using browser security, DNS security, or secure browsers to protect endpoints from malicious websites. Critical resources need additional protection.

Firewall 110

Firewall Network Security Penetration Testing Encryption 110

eSecurity Planet

MAY 28, 2021

Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Prevent Rely solely on offline backups Disallow unnecessary file sharing. Detect Focus on encryption Assume exfiltration. Also Read: How to Prevent DNS Attacks.

Software 120

Software DNS Firmware VPN 120

eSecurity Planet

APRIL 26, 2024

Server: Provides powerful computing and storage in local, cloud, and data center networks to run services (Active Directory, DNS, email, databases, apps). Virtual private networks (VPNs): Secure remote user or branch office access to network resources through encrypted connections to firewalls or server applications.

Architecture 121

Architecture Network Security Firewall Risk 121

eSecurity Planet

MARCH 25, 2022

By exploiting weak server vulnerabilities, the Iran-based hackers were able to gain access, move laterally, encrypt IT systems, and demand ransom payment. The Remote Access VPN enables more robust security with the encryption of transmitted data, system compliance scanning, and multi-factor authentication.

VPN 121

VPN Software Authentication Encryption 121

SecureList

DECEMBER 1, 2023

For most implants, the threat actor uses similar implementations of DLL hijacking (often associated with ShadowPad malware) and memory injection techniques, along with the use of RC4 encryption to hide the payload and evade detection. libssl.dll or libcurl.dll was statically linked to implants to implement encrypted C2 communications.

Malware 138

Malware Ransomware Encryption Energy and Utilities 138

eSecurity Planet

JANUARY 26, 2022

AES-256 encryption for data at rest and TLS v1.2 Zabbix’s enterprise security capabilities include configuration change tracking, secret vaults, flexible permissions, and encryption between all client devices. Auvik Features. Catchpoint Features. LogicMonitor. Progress Features.

Marketing 121

Marketing DDOS Threat Detection DNS 121

eSecurity Planet

MAY 19, 2022

The first traditional cybersecurity vendor featured is Barracuda Networks, with consistent recognition for its email security , next-generation firewalls ( NGFW ), web application security , and backups. Administrators can quickly connect and establish an SD-WAN overlay fabric with the Cisco vManage console. Features: Cisco SD-WAN.

Firewall 121

Firewall Architecture Encryption Network Security 121

SiteLock

AUGUST 27, 2021

An SSL Certificate is used to establish a secure encrypted connection between a web browser and a web server. Luckily Howard kept frequent backups of the church’s website. Website attacks can destroy site content, so backups are crucial to recovering damage. If malware is found, she is alerted immediately.

Hacking 98

Hacking DDOS eCommerce Firewall 98

eSecurity Planet

MAY 2, 2024

50,000 DDoS attacks on public domain name service (DNS) resolvers. 553% increase in DNS Flood attacks from 1H 2020 to 2H 2023. DDoS attacks on single networks or websites render them unavailable, but DDoS attacks on DNS resolvers bring down all networks and websites using that DNS resource. 54% on-prem infrastructure.

Cybersecurity 122

Cybersecurity DDOS Penetration Testing Passwords 122

McAfee

SEPTEMBER 14, 2021

The PlugX families we observed used DNS [ T1071.001 ] [ T1071.004 ] as the transport channel for C2 traffic, in particular TXT queries. Another clue that helped us was the use of DNS tunneling by Winnti which we discovered traces of in memory. The hardcoded 208.67.222.222 resolves to a legitimate OpenDNS DNS server.

Malware 144

Malware DNS Accountability Manufacturing 144

Vipre

JANUARY 25, 2021

A VPN or Virtual Private Network routes your internet traffic through an encrypted server by creating an encrypted tunnel between your device and a third-party server. Backup and Recovery Tools. DNS ad blockers are a new breed of ad blockers that use DNS to effectively block ads. Ad Blockers.

Identity Theft 40

Identity Theft Backups VPN Antivirus 40

SecureList

JUNE 3, 2024

The common methods for analyzing an iOS mobile infection are either to examine an encrypted full iOS backup or to analyze the network traffic of the affected device. However, some of the things the malware authors came up with, such as placing their Python script inside a domain TXT record on the DNS server, were ingenious.

Banking 116

Banking Malware Computers and Electronics Mobile 116

eSecurity Planet

NOVEMBER 18, 2021

Point-in-time backup and recovery of contacts, email, calendars and files. Lets organizations encrypt messages and leverage the cloud to spool email if mail servers become unavailable. Integrated data loss prevention and email encryption. 100% email uptime SLA. Low impact on daily operational process but high on configurability.

Phishing 126

Phishing Malware Engineering Ransomware 126

CyberSecurity Insiders

JANUARY 31, 2021

3: Not Just Encrypting Data, but Stealing Data to Extort. The common ransomware attack used to be focused on encrypting the victim’s data, then demanding a ransom to decrypt. The Data Backup and Recovery System that Protects Against Ransomware. Quorum’s data backup and recovery system (onQ) is free from all those problems.

Ransomware 40

Ransomware Backups Encryption Healthcare 40

Security Boulevard

JANUARY 17, 2024

RBI solutions typically allow the configuration of file upload and download profiles, restricting the types of files that can be submitted or retrieved from websites based on multiple factors such as file extension, size, entropy/encryption of data, signatures, site reputation, and more. This can be due to encryption or even size.

DNS 64

DNS Penetration Testing Passwords Encryption 64

SecureList

JUNE 15, 2022

Complex attacks almost invariably feature several phases, such as reconnaissance, initial access to the infrastructure, gaining access to target systems and/or privileges, and the actual malicious acts (data theft, destruction or encryption, etc.). are you the person who enters, checks nothing and encrypts the first random machines? $1k?

VPN 130

VPN Accountability Ransomware Encryption 130

Security Boulevard

AUGUST 12, 2022

The CA will issue challenges (DNS or HTTPS) requiring the agent to take an action that demonstrates control over said domain(s). Back in 2015, when Let’s Encrypt was was just emerging as a certificate-authority force, Josh Aas, the ISRG's executive director said that "Encryption should be the default for the web.

Encryption 52

Encryption DNS Backups Internet 52

SecureList

APRIL 24, 2023

Introduction We introduced Tomiris to the world in September 2021, following our investigation of a DNS-hijack against a government organization in the Commonwealth of Independent States (CIS). The following map shows the countries where we detected Tomiris targets (colored in green: Afghanistan and CIS members or ratifiers).

Malware 135

Malware DNS Government Software 135

Fox IT

JUNE 2, 2020

Before proceeding to the technical analysis part, it is worth mentioning that the strings are not encrypted. When the loader starts its execution, it checks if another instance of itself has infected the host already by attempting to read the value ‘BackUp Mgr’ in the ‘Run’ registry key ‘SoftwareMicrosoftWindowsCurrentVersionRun’ (Figure 1).

Malware 48

Malware DNS Backups Architecture 48

Security Boulevard

APRIL 4, 2022

The Internet Security Research Group (ISRG) originally designed the ACME protocol for its own Let’s Encrypt certificate service. On September 15, 2021, the DNS records for acme-v01.api.letsencrypt.org CA agility with flexibility to add and support backup CAs. Today the protocol has become a standard ( RFC 8555 ).

Encryption 52

Encryption Authentication DNS Risk 52

Security Boulevard

FEBRUARY 26, 2021

Destructive attacks and the sale of direct access into corporate networks are also rising trends and the lucrative payoff potential from all these is changing how adversaries approach their craft; a typical ransomware attack today is designed to do a lot more than simply encrypt data.

Ransomware 59

Ransomware Encryption Phishing DNS 59

eSecurity Planet

FEBRUARY 16, 2021

Moving away from trying to trick users, pharming leverages cache poisoning against the DNS , using malicious email code to target the server and compromise web users’ URL requests. The most common malware variants encrypt a system or specific files, pausing any work from being done until the victim pays a ransom to the attacker.

Malware 105

Malware Adware Spyware Antivirus 105

Veracode Security

NOVEMBER 19, 2020

Researchers found that TrickBot developers created a tool called anchor_dns which uses a single-byte X0R cipher to obfuscate communications and, once de-obfuscated, is discoverable in DNS request traffic. C:WindowsSysWOW64.

Healthcare 52

Healthcare Ransomware Phishing Social Engineering 52