Shut down Apps?

The thought for this blog post started with the idea of security regarding remaining logged in to mobile apps. The question being does that open any doors for hackers to access data on either other apps or your phone? It ended up going down quite a rabbit hole of security and hacking techniques that only go to show that cybercrime and security is ever-present and evolving.

Cross-Site Request Forgery (CSRF) has been a known vulnerability since 2001. According to The Open Web Application Security Project CSRF is defined as:

A type of attack that occurs when a malicious web site, email, blog, instant message, or program causes a user’s web browser to perform an unwanted action on a trusted site when the user is authenticated. A CSRF attack works because browser requests automatically include any credentials associated with the site, such as the user’s session cookie, IP address, etc. Therefore, if the user is authenticated to the site, the site cannot distinguish between the forged or legitimate request sent by the victim. 

If you are logged in to sites and the cybercriminal can get you to visit one of their web sites or open an infected email or IM they then can make your browser send requests to the other sites posing as you. Thus, gaining access to whatever you have open. This kind of attack generally only occurs within the same browser. In other words, having clicked on a malicious site the attack could flow across any other sites you have open within that browser. Not jump to another browser say Safari to Firefox. An open browser could not transfer the attack to an open app as the two store their own credentials or cookies and do not share. The same goes for apps themselves. They store their own data. The malware would need a conduit to access other apps or your phone.

Heck of an opening to a business blog. Why do you need to know this? It is why it is important to log out of company websites and software either on your desktop or your mobile.

Developing security

Over the years sites and apps have become more security conscious. Shutting down your logon after a period of non-activity and/or making you log in every time. Sometimes a pain to log back in but it’s for your own security. With the addition of biometric features on mobiles, even the pizza ordering apps require a fingerprint to gain access. Games and social media apps/sites tend to keep you logged in. The term being “frictionless” because the developers want you to have easy access, at all times, to keep you engaged in their product.

We do a lot of browsing and an increasing amount on our mobile devices. Lots of times your thumbs get fat and you errantly click on the wrong thing. It doesn’t take much to click on the wrong link, even if you close it right away it may be too late. The same goes for links within emails. We get a ton of email to business accounts. It’s hard to distinguish every email between real and spam. Spam emails and links get opened. When employees are accessing company databases and files they are using those same computers to access their company email. Depending on computer use policies or adherence to the policy, employees may also be accessing their personal email accounts and browsing the web. This is when the company system becomes vulnerable to CSRF attacks and others.

Watering hole attack

It is what the name implies. A cybercriminal monitors a company’s employees to determine where they congregate, e.g.-restaurants, bars, etc. The criminal bets that one or more of the employees will access the “watering hole’s” website for menu information, reservations, etc. The criminal places malware on the establishment’s site. When an employee does visit the site the criminal then has access to the employee’s computer or phone. Any company files or databases that are open (logged in to) are now free game for the criminal.

None of this is or the precautions are new. The same security tenets we’ve heard over and over still hold true.  

Don’t open or click on suspicious emails or links in emails texts/IMs especially while logged into other accounts.

Don’t keep sites open-Logout

Change passwords frequently

Don’t use the same password for multiple sites

Don’t save passwords on your browser

Keep system security updated

I’m not a cybersecurity expert just a security conscious user. Hope that this information has been helpful.

Regarding the initial reason, I started doing this research, open mobile apps. It appears that it is OK to leave them open. Again most security conscientious apps like financial will time out and require login. So a criminal gaining access to your phone and then entering your bank account through your bank app is probably low.

Most risks to mobile apps occur at the server level or through poor app development, not actions by the user. Although using public WiFi (Wifi for dummies) is one of the biggest user faults to app security.

Research for the blog revealed information debunking an iPhone myth. Quitting apps does not help save battery life. The iPhone OS is designed for multitasking and places the app in suspension until needed. Closing and reopening the app actually causes the phone to use more power as it is starting the app from scratch. So keeping open frequently used apps doesn’t affect battery life.

Please feel free to share. Check the archives for other posts about privacy and online security.

How secure are apps?April 2018

One born every minute February 2018

Are you being watched? February 2018

Time expired on parking meters November 2017

Cleaning up your online presence September 2018

Public WiFi for dummies July 2017

Keys to the vault August 2015

There’s been a breach February 2015

Hey! That’s my WiFi!

Hey! That's my Wi-Fi!

Have you ever checked your home WiFi connection and noticed a long list of possible connections? Unless you live in the woods with few neighbors you’ll very likely pick up a lot. Sometimes you get a laugh at some of the crazy names your neighbors use and sometimes a start when you see NSA_Van_9.  The thing is, your router is also popping up on your neighbors' list.  

I did just that the other day and was wondering who else might be using my WiFi. Just like stealing cable in the old days, only not as personal a connection, someone close by could be sucking off precious signal strength. What I found wasn’t as shocking as much as a surprise.

Wi-Fi use

Slow WiFi is one indicator of someone using your signal. All depending on the plan you have with your provider and your own usage.  You can quickly check what devices are using your WiFi by logging in to your router. Once logged in you will be provided with a list of the devices currently logged on. A simpler way is to use a 3^rdparty app such as Who’s on my Wi-Fi. This app will use your Wi-Fi signal and provide a list of devices currently using the signal. It is not necessary to provide any personal or router information. The list is comprised of IP and Mac addresses. Once you have the list the task becomes identifying the devices. 

I used this app to search for devices that returned a list of twenty-five devices currently logged on. After running down the list and doing some light deciphering I was able to determine good news and a surprise. The good news-No foreign devices were located. The surprise? All the devices were mine! The search revealed twenty-five devices that did not include the devices that were not currently logged on and had Wi-Fi disabled. If everything were in use the total would be over thirty.

Internet of Things (IoT)

As determined in the post Locking Down the Internet of Things we have, over time, without plan or intent, created our own IoT. That happens in most households. Excluding phones, 74% of U.S. homes have at least one smart device. Few people plan to set up a smart home system, it happens in bits and pieces. A security camera and/or alarm system, new appliance, TV, thermostat, one device at a time your IoT builds. Then a smart speaker is added that is able to control some or all of the devices and your IoT smart home comes to life. Added already to the phones, tablets, and eReaders your WiFi list expands. 

Security

With all of the security breaches that seem to be a monthly news item, we have become numb to the warnings of password and network security maintenance. It is important to perform regular checks of our home system. Especially as we add smart devices to our homes. (Are you being watched?) Properly setup new devices and be aware of what access you are granting them. 

The Wi-Fi usage check is yet another added security check but one that should be completed every so often. Just like changing your smoke alarm batteries at the seasonal time change it doesn’t hurt to set up some calendar reminder to review your home network security. This quick WiFi check not only reveals possible hacking but also helps you to get a handle on the number of devices in your home that are accessing the Internet.

Have you detected someone stealing your WiFi?  Tell us about your experience in the comments. 

Please share. Refer to the blog archive for more posts about Internet security.

Locking down the Internet of Things

WiFi security on the Internet of Things

Have you gotten all of your new tech gadgets hooked up after Christmas? Seems like every gift that had a plug also had a phone app and connected to Wi-Fi. Throughout the year as new toys or even appliances enter your home, setting up individual devices isn’t that noticeable. But after Christmas rolls through and you start setting up all the new goodies it really makes you sit back and notice-You have entered the new age of a smart home. Without realizing it we have created our own attachment to the Internet of Things (IoT).

That's a lot of things

Leichtman Research Group in 2018 found that 74% of U.S. homes had at least one smart device. Statista estimates that there will be 42.2 million smart homes in 2019. Spending on IoT devices was $23.3 billion (yes, billion) and is estimated to be $75 billion by 2025.  While there are Bluetooth connections, the primary connection for IoTs is Wi-Fi. Statista reported that the average number of connected devices per person, worldwide, in 2015 was 3.47 and is estimated to be 6.58 by 2020. That is connected devices per person. Multiply that by people in your home and the for-the-common-good devices like appliances, cameras, plugs, bulbs, etc, and that’s a lot of connectivity. 

If you want to keep up with technology it is how it’s going to be. I didn’t set out to convert the ol’ analog home to “smart”. It just happened. Garage door opener, a new appliance here and there, TVs, Hey Google, Hey Siri, Alexa, before you know it you’re your home is smart. The router sent me a message, yes it communicates as well, that the network was getting full. You’re aware of connectivity for your phones and computers but forget about the other electronics-appliances/TVs/cameras/power strips/gaming systems/eBooks, etc-that are on all the time and trying to communicate with the mother ship. Not only are these devices taxing on your home network they are all portals for security breaches.

Anyone of these connected devices can be hacked at the source, through the controlling app, or the company that provides the service. All the more reason to review your home network security.  If you haven’t done so recently, with the onset of all your new tech wonderness, you’ll need to upgrade your Internet service.  Most times these types of upgrades come with new routers. 

Security

One of the first actions you should take on all routers and new devices is set up your own logins and passwords. Many people still use the default settings, which cybercriminals are aware. Changing this information will at least slow them down. I say slow down because, as we’ve seen, anyone can be hacked. At least changing the settings will offer some protection.

For all of your connected devices actually, read the setup instructions and pay attention to what you are agreeing to during the process. Data collection is big business and those companies want your data. As consumers get more privacy savvy the product providers are finding counteractions. I recently loaded an app that wanted access to my phone’s camera, microphone, location, and to send user data. Answering no to any of those requests denied the user access. Or sometimes certain features are denied or dampened if the user doesn’t agree to the terms.

Devices that listen, your phone, TV, Echo, Google home, are also collecting data and have been proven to also be recording your conversations. In the interest of improving their service, of course. Again, go through the setup and privacy menus carefully. Understand what the device, i.e.-manufacturer is asking you to allow.

Overall, you have to understand that if you allow “smart” devices into your home you are giving up privacy. It’s hard not to get caught up in the technology craze, but understand that what you’re getting yourself into.

Please see the blog archive for other posts relating to privacy.

There’s been a breach May 2018

How secure are apps? April 2018

One born every minute February 2018

Are you being watched? February 2018

Cleaning up your online presence September 2017

Public WiFi for dummies July 2017

Keys to the vault August 2015

Are you being watched?

Do you feel safe in your home? Your exterior is probably pretty well defended against intruders with metal doors and deadbolts, locking windows, and maybe an alarm system. How about intruders from within?  “…The call is coming from inside the house”, an oft repeated quote from the 1979 movie, When a Stranger Calls, can still make your skin crawl when you’re all alone, think you heard a noise, and then the phone rings. Just the thought of an intruder with you in your home can be terrifying. There may not be physical intruders inside your home at this moment, but someone may be listening or quite possibly watching.

Internet of things

Kevin Ashton of Procter & Gamble first coined “Internet of things” in 1999. It is defined as network of devices, appliances, vehicles, etc. that connect and exchange data through the Internet. It is estimated the Internet of things will be populated with 30 billion devices by 2020.

Technology has always invaded our homes as we excitedly open the boxes to the latest modern conveniences. In the early days of the 1900’s telephones began appearing in homes. The 1950’s saw televisions showing up in living rooms. People started bringing home desktop computers in the 1980’s. Those computers were connected to the Internet in the 1990’s.  Phones went on our belts and into our pockets in the 2000’s and then became handheld computers. The first Internet connected appliance was a LG refrigerator released in 2000. According to Statista.com, there were nearly 36 million smart home devices sold in the U.S. in 2017. Over 40 million smart TV’s were sold in the U.S. in 2016 and 244 million worldwide.

Privacy

The remote accessibility of household devices creates new security issues everyday. As appliances get “smarter” their vulnerability also increases. Smart devices only work to their full capability if they are connected to the Internet. Once that occurs they are searchable and hackable. When the device reaches out to the web it declares itself open for business. Hackers are always looking for unsecure networks and devices to exploit. If not for gain then just because then can.

We first heard about these types of intrusions in 2015 two years after consumers starting bringing home smart TV’s.  Samsung released TV’s in 2013 that could listen to voice commands from their owners. The problem? The TV has to be listening all the time to pick up the commands. What was “heard” was being transmitted via the Internet. Samsung warned consumers, through privacy policies, that spoken words are being captured and transmitted through the voice recognition system. Consumers were further warned not to hold personal conversations in front of the television. But who read or reads the privacy policies, right?

Another popular device entering our homes are web accessible cameras. We set these up to watch the nanny, housekeeper, or house in general. There are even petcams available that not only allow owners to watch their pets but speak to them and deliver treats remotely. The first cameras imbedded in teddy bears, sold as a “nanny cams”, began appearing on the market in 1992. The first cameras to transmit remotely via IP were sold by Axis Communications in 1996. Today, the market is flooded with cameras and phone apps that allow web transmission of live video. It’s fun to watch Mr. Snugglekins romp around the house. But if you can access your webcam remotely, so can someone else.

Hacking

The device most people have heard stories about and are aware is the camera on your computer. Yes, they can be used against you. Unlike the movies, your home computer usually has to be “infected” with malware that you allowed in my clicking on a link or visiting a sketchy website. As with all of your devices, locally, you have to let someone in for them to be monitored. Not to say that you and your devices could not be specifically targeted and intruded. With the effort it could be done. Hackers and, yes, governments have the capability to access the television microphones, computer and remote cameras, turning them on and off and recording at will. However, most likely you’ve been the victim of malware.

The privacy and security issue with smart appliances is the collection and transmission of data. First, your viewing habits, conversations, actions are being collected. Second, the data is being transmitted to the Internet and held on third party servers. All of which can be hacked. So no matter the security measures you take at home, your personal data is vulnerable once it hits the WWW.

The thing is, you allow them into your home with the purchase, unpacking, and setup to connect to your network. Data transmissions you are unaware of because you have most likely allowed the device to set itself up per the manufacturer’s settings. Any warning or setup recommendations were clicked through and unread. Admit it. You’ve done it. Who reads the privacy settings on a new device? Or whenever you allow an update? That’s what the manufacturers are counting on. The key word in the previous paragraph is “allow”. You’re inviting the snooping by purchasing the device, bringing it into your home, and allowing self setup.

Your appliances aren’t the only ones listening. There’s been conspiracies floated the last couple of years that Facebook is listening to your conversations to better target ads. While feasible it is unlikely and has been debunked by several sources. Facebook may not be overhearing conversations but they, as is Google, “listening” by recording your search habits and even communications in messaging and emails apps to better address advertising. Netflix was recently caught by tweeting about the number of times a few viewers had watched one of its programs, trying to be funny. Netflix admitted that it did track viewing habits of subscribers.

Security

When you invite smart appliances into your home you give up your privacy. You have to consider these devices as other persons and guard your privacy accordingly. Take the time to read the manufacturer privacy policies. Read the manual setup instructions and adjust the device settings accordingly. Block cameras in sensitive areas or turn them towards the wall when you’re home.

This reads like an Orwellian or tinfoil hat conspiracy. It wasn’t meant to be or to keep you from enjoying the conveniences of technology. Just be aware of the surroundings you’ve created. Any smart device has to be considered to be listening or watching. Alexa, Siri, Google, they all have to be listening all the time to be able to pick up your commands.

Please feel free to share. Read other posts about security in the blog archive.

Time Expired on parking meters November 2017

Cleaning up online presence September 2017

Skimmers August 2017

Public WiFi for dummies July 2017

If you ever want to see your files again… August 2016

What did you say? August 2015

Keys to the vault August 2015