Krebs on Security

JULY 25, 2023

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. Usually, these users have no idea their systems are compromised. WHO’S BEHIND SOCKSESCORT?

Malware 200

Malware VPN Internet Internet 200

Security Affairs

SEPTEMBER 4, 2019

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. The first issue is an information disclosure flaw via unauthenticated external DNS requests that affect Zyxel devices from the USG, UAG, ATP, VPN and NXC series. ” reads the advisory.

DNS 78

DNS Hacking Firmware Wireless 78

Security Affairs

JULY 8, 2022

The Taiwanese vendor QNAP is warning of a new family of ransomware targeting its NAS devices using weak passwords. Threat actors are targeting devices exposed online with the SMB service enabled, they perform brute-force attacks against accounts using weak passwords. Go to Control Panel > System > Firmware Update.

Ransomware 101

Ransomware Encryption Passwords Internet 101

Security Affairs

OCTOBER 22, 2022

The Daixin Team group gains initial access to victims through virtual private network (VPN) servers. In one successful attack, the attackers likely exploited an unpatched vulnerability in the organization’s VPN server. In another compromise, the group leveraged on compromised credentials to access a legacy VPN server.

Ransomware 75

Ransomware VPN Cybercrime Accountability 75

Security Affairs

SEPTEMBER 3, 2021

The FBI provided the following mitigations to protect against ransomware attacks: Regularly back up data, air gap, and password protect backup copies offline. Install updates/patch operating systems, software, and firmware as soon as they are released. Avoid reusing passwords for multiple accounts. Pierluigi Paganini.

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Ransomware Passwords Backups Firmware 107

Security Affairs

MARCH 19, 2022

Regularly back up data, password protect backup copies offline. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. Use strong passwords and regularly change passwords to network systems and accounts, implementing the shortest acceptable timeframe for password changes.

Ransomware 108

Ransomware DDOS Passwords Backups 108

Security Affairs

DECEMBER 22, 2022

Experts observed the bot attempting to gain access to the device by using a combination of eight common usernames and 130 passwords for IoT devices over SSH and telnet on ports 23 and 2323. Ensure secure configurations for devices: Change the default password to a strong one, and block SSH from external access. Pierluigi Paganini.

IoT 118

IoT DDOS Malware Firmware 118

Security Affairs

APRIL 25, 2022

Regularly back up data, air gap, and password-protect backup copies offline. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. Regularly change passwords to network systems and accounts, and avoid reusing passwords for different accounts. To nominate, please visit:?

Ransomware 117

Ransomware Antivirus Passwords Malware 117

Security Affairs

MARCH 16, 2022

In order to compromise the target network, the attackers conducted a brute-force password guessing attack against an un-enrolled and inactive account. Update software, including operating systems, applications, and firmware on IT network assets in a timely manner. Require all accounts with password logins (e.g.,

Accountability 97

Accountability Passwords Authentication Firmware 97

Security Affairs

MARCH 26, 2021

According to the alert, when one of the DiskCryptor files are detected, in order to attempt to recover the files without paying the ransom, it is possible to determine if the myConf.txt is still accessible and then recover the password. Install updates/patch operating systems, software, and firmware as soon as they are released. •

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Ransomware Encryption Passwords Malware 145

Security Affairs

APRIL 4, 2019

Firmware updates that address this vulnerability are not currently available. Chaining the two flaws it is possible to take over the Cisco RV320 and RV325 routers, the hackers exploit the bugs to obtain hashed passwords for a privileged account and run arbitrary commands as root. Pierluigi Paganini. ( – Cisco Cisco RV325, hacking).

Small Business 82

Small Business Firmware Advertising VPN 82

Adam Levin

FEBRUARY 10, 2020

But, then again, you may have been hacked–“wiped” being the current term of art and something Iran has earned a reputation for. Never buy a device that doesn’t allow you to set a long and strong password. password, 123456, qwerty, etc. Consider using a password manager. You may have made a mistake.

Passwords 245

Passwords Phishing Password Management Accountability 245

Malwarebytes

JUNE 26, 2023

Microsoft claims to have traced this particular campaign to a member of a hacking forum who offers several tools for sale in what may be a dedicated malware as a service operation. Maintain device health with updates: Make sure devices are up to date with the latest firmware and patches.

IoT 82

IoT Adware Firmware DDOS 82

Security Affairs

APRIL 2, 2021

Regularly back up data, air gap, and password protect backup copies offline. Install updates/patch operating systems, software, and firmware as soon as updates/patches are released. • Regularly change passwords to network systems and accounts, and avoid reusing passwords for different accounts. . Pierluigi Paganini.

Passwords 72

Passwords Government Firmware Accountability 72

SecureList

SEPTEMBER 21, 2023

We conducted an analysis of the IoT threat landscape for 2023, as well as the products and services offered on the dark web related to hacking connected devices. Attack vectors There are two main IoT infection routes: brute-forcing weak passwords and exploiting vulnerabilities in network services. per day, or $1350 per month.

IoT 86

IoT DDOS Passwords Malware 86

Security Affairs

OCTOBER 13, 2020

Simple or reused passwords are still a problem. While the cybersecurity industry has presented options for every netizen, the recommendation to use original and complex passwords continues to be disregarded. Instead, people come up with passwords that are comfortable. It can be prevented through the use of an online VPN.

IoT 137

IoT Cybersecurity Manufacturing Internet 137

eSecurity Planet

MARCH 1, 2023

For example, Wi-Fi protected access (WPA) requires users to provide a password or passphrase to gain access to the network. Ensure that your password is complex, unique, and has a mix of upper and lower case letters, numbers and symbols. Change it often, particularly as employees leave, and use a guest network if possible.

Wireless 98

Wireless Encryption Authentication IoT 98

Security Affairs

AUGUST 12, 2018

. · Group-IB experts record a massive surge of user data leaks form cryptocurrency exchanges. · HP releases firmware updates for two critical RCE flaws in Inkjet Printers. · TSMC Chip Maker confirms its facilities were infected with WannaCry ransomware. · GitHub started warning users when adopting compromised credentials. · (..)

Firmware 44

Firmware DNS Advertising Surveillance 44

Security Affairs

JULY 31, 2019

“The flash version of the web interface contains a hard-coded username and password, which may allow an authenticated attacker to escalate privileges.” “To update to the latest firmware, each user should select the “Check for Upgrade” option in the “Centrals” menu in the GUI. ” concludes the CISA advisory.

Backups 62

Backups Authentication Advertising Firmware 62

Security Affairs

OCTOBER 20, 2018

CVE-2018-18472 – XXE and Unauthenticated Remote Command Execution in Axentra Hipserv NAS firmware. . It’s used in different devices from different vendors, the affected devices sharing the firmware are: Netgear Stora. The company provides a firmware with a web interface that mainly uses PHP as a serverside language.

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Firmware IoT VPN Authentication 67

Security Affairs

DECEMBER 27, 2021

The researchers performed reverse engineering of the firmware image for the COMpact 5500, version 7.8A The experts started investigating the password reset functionality that requests access to the web interface. “Equipped with this password we then could authenticate successfully. “Firmware Update 8.2B

Firmware 102

Firmware Manufacturing Passwords Penetration Testing 102

eSecurity Planet

MARCH 4, 2024

The fix: To eliminate malware infections, perform a factory reset, upgrade to the latest firmware, change all default usernames and passwords, and adjust firewall rules to block exposure to unwanted remote management services. The fix: Update libraries and instances to versions patched after February 8, 2024.

IoT 117

IoT Internet Internet Ransomware 117

SecureList

NOVEMBER 14, 2022

Looking back at past leaks of private companies providing such services, such as in the case of Hacking Team, we learned that many states all over the world were buying these capabilities, whether to complement their in-house technologies or as a stand-alone solution they couldn’t develop.

Firmware 106

Firmware Surveillance Mobile Telecommunications 106

Security Affairs

OCTOBER 10, 2023

While this communication system is useful for transferring real-time data, it offers neither encryption nor lockout mechanisms against password-guessing. A virtual private network (VPN) for remote access is preferred. Ensure that RTSP cameras require solid and unique passwords for access.

Risk 110

Risk Encryption VPN Passwords 110