Tag Archive for: reuse

Data breach extortion. Credential reuse risk. Blackswan zero-days. A Monero cryptojacker. Notes on the ransomware summit.


Attacks, Threats, and Vulnerabilities

Extortionist Hacker Group SnapMC Breaches Networks in Under 30 Minutes (SecurityWeek) Over the past few months, a threat actor has been increasingly breaching enterprise networks to steal data and extort victims, but without disrupting their operations

SnapMC skips ransomware, steals data (NCC Group Research) Over the past few months NCC Group has observed an increasing number of data breach extortion cases, where the attacker steals data and threatens to publish said data online if the victim decides not to pay. Given the current threat landscape, most notable is the absence of ransomware or any technical attempt at disrupting the victim’s operations.

Academics find Meltdown-like attacks on AMD CPUs, previously thought to be unaffected (The Record by Recorded Future) Two academic papers have been published over the past two months detailing new side-channel attacks in AMD processors that have eerily similar consequences to the Meltdown attack disclosed in early 2018, to which AMD CPUs were previously thought to be immune.

How Impersonation Attacks Fool Users (Avanan) Hackers use impersonated messages from reputable brands to fool users. In this case, scammers are impersonating DocuSign.

Once-in-a-decade discovery made by international cyber security company built by former spies (PR Newswire) Field Effect, a global cyber security company, has released details of their discovery of seven 0-day vulnerabilities in Microsoft Windows software and…

Blox Tales: Microsoft Defender Vishing Using AnyDesk (Armorblox) This blog focuses on a Microsoft Defender vishing campaign where attackers tried to get victims to download AnyDesk for an RDP attack.

Heads up: Verizon’s Visible MVNO accounts are getting hacked left and right (AndroidPolice) Users are reporting account hijacks, address changes, and unauthorized purchases

Apparent Verizon Visible hack was credential stuffing attack, says carrier [U] (9to5Mac) Multiple reports of an apparent Verizon Visible hack, with attackers changing shipping addresses, then ordering phones that are charged …

Verizon’s Visible confirms accounts were breached – report (FierceWireless) Some customer accounts for the…

Source…

49% of workers, when forced to update their password, reuse the same one with just a minor change

A new survey has revealed some alarming news about the way users are choosing their passwords in their homes and workplace.

Graham Cluley

Voting Device Manufacturer Encourages Users To Use (And Re-Use) Easily-Guessed Passwords

As Election Day 2K18 rolls on, the good news continues to roll in, he said in his most Professor Farnsworth voice. It’s never good news, not if we’re talking voting machine security. Kim Zetter, writing for Motherboard, has obtained a manual for devices made by Unisyn Voting Solutions, which provides horrendous security advice for users of its products.

There are federal guidelines for voting systems. The Elections Assistance Committee makes the following recommendations for passwords:

[E]lection officials are encouraged to change passwords after every election. Passwords should also have the following characteristics: they should be at least six characters, preferably eight, and include at least one uppercase letter, a lowercase letter, at least one number and a symbol. It also says, though, that passwords should be easy to remember so that employees won’t need to write them down, “yet sufficiently vague that they cannot be easily guessed.”

Unisyn has apparently decided minimal security efforts are badly in need of disruption. To begin with, the device manual suggests users should simply use variations of the default password the devices ship with. That password is the company’s name with a “1” appended to the end of it. This easily-guessed admin password should then be immediately replaced with… an easily-guessed password.

Once logged into the system the credentials needed to access the tabulation monitor or the system for creating reports of ballots and vote tallies are different. The username is again a simple word to log in. The password is the same word with “1” appended to it. Users are told that to change the password when prompted, they should simply change the number sequentially to 2, 3, 4, etc.

The Unisyn manual takes the EAC guidelines and throws them out. It then makes a minimal nod towards compliance before throwing everything out a second time. Remember the part about not writing down passwords? The sort of thing no one should do because it defeats the purpose of password security? Here’s Unisyn’s scorching hot take on EAC compliance:

“You will be periodically asked to change your password per EAC regulations,” [the manual] notes. But instead of providing customers with sound instructions for changing passwords—such as creating completely new passwords and not re-using them—the manual instructs them to simply alternate between a system administrator and a root password each time they are prompted to change the password. Space is provided below this instruction for election workers to write down which password they are using at any given time.

If there’s good news, it’s that these machines aren’t in use everywhere. Just 3,500+ jurisdictions in ten states. They’re also fairly insulated from online attacks, since they’re not supposed to be connected to the internet. This means attackers will most likely need physical access to the devices. Good thing these only get touched by non-election personnel every couple of years or so!

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Techdirt.

TeamViewer denies hack, blames hijacked accounts on password reuse

A plethora of people with the remote desktop tool TeamViewer have been in an uproar after their machines were remotely hijacked; in some cases over the past month or so, users had their bank or PayPal accounts sucked dry. TeamViewer denied it has been hacked and launched two new security measures.

After experiencing a TeamViewer takeover, IBM security researcher Nick Bradley thinks password reuse may be the problem. Bradley said he was gaming on his PC when he lost control of his mouse and TeamViewer popped up. He killed the app and dashed downstairs to another PC which had TeamViewer.

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Network World Security