Can someone help me with an ongoing issue? My devices are accessed repeatedly by another party, someone manipulating my local ISP, I can't access iTunes, I keep finding websites visited on my devices. It seems as if someone accesses remotely.

Question

   I don't know what all this means but I know it shouldn't have happened.
Apr 18 10:14:58 localhost UserEventAgent[11]: SUNotificationPlugin[uid=0]: Start event monitoring
Apr 18 10:15:10 localhost Software Update[104]: SoftwareUpdateCheck(Initial): Waiting for AppleSetupDone...
Apr 18 10:15:45 localhost Setup Assistant[182]: Running as MacBuddy
Apr 18 10:15:45 localhost Setup Assistant[182]: couldn't get language ordering from file
Apr 18 10:15:45 localhost Setup Assistant[182]: There is an existing Kerberos realm, [NOT] running configureLocalKDC.
Apr 18 10:15:45 localhost Setup Assistant[182]: certtool systemdefault 0
Apr 18 10:15:45 localhost Setup Assistant[182]: --- MBCopyNetworkConfig ---
Apr 18 10:15:45 localhost Setup Assistant[182]: IP: (null)
Apr 18 10:15:45 localhost Setup Assistant[182]: Mask: (null)
Apr 18 10:15:45 localhost Setup Assistant[182]: Router: (null)
Apr 18 10:15:45 localhost Setup Assistant[182]: Domain: (null)
Apr 18 10:15:45 localhost Setup Assistant[182]: Config Method: (null)
Apr 18 10:15:45 localhost Setup Assistant[182]: SwitchController thinks we are pointed to Prod
Apr 18 10:15:45 localhost Setup Assistant[182]: ----------
   -> searchForValidSystems has arrived.
Apr 18 10:15:45 localhost Setup Assistant[182]: (Snoop) Listening on 14 / 370445342
Apr 18 10:15:45 localhost Setup Assistant[182]: Current Language=en, 6 countries found. 227 known
Apr 18 10:15:45 localhost Setup Assistant[182]: Current Iso LC = en, en
Apr 18 10:15:45 localhost Setup Assistant[182]: . Found disk (diskIdentifier=disk0, mountpoint=(null), isInternal=1, filesystem=(null))
Apr 18 10:15:45 --- last message repeated 1 time ---
Apr 18 10:15:45 localhost Setup Assistant[182]: . Found disk (diskIdentifier=disk0s2, mountpoint=/, isInternal=1, filesystem=Journaled HFS+ hfs Mac OS Extended (Journaled) Apple_HFS)
Apr 18 10:15:45 --- last message repeated 1 time ---
Apr 18 10:15:45 localhost Setup Assistant[182]: . Found disk (diskIdentifier=disk0s1, mountpoint=(null), isInternal=1, filesystem=(null))
Apr 18 10:15:45 --- last message repeated 1 time ---
Apr 18 10:15:45 localhost Setup Assistant[182]: . Found disk (diskIdentifier=disk0s3, mountpoint=(null), isInternal=1, filesystem=Journaled HFS+ hfs Mac OS Extended (Journaled) Apple_HFS)
Apr 18 10:15:45 --- last message repeated 1 time ---
Apr 18 10:15:45 localhost Setup Assistant[182]: . Found disk (diskIdentifier=disk0s2, mountpoint=/, isInternal=1, filesystem=Journaled HFS+ hfs Mac OS Extended (Journaled) Apple_HFS)
Apr 18 10:15:45 localhost Setup Assistant[182]: Current Iso LC = en, en
Apr 18 10:15:45 localhost Setup Assistant[182]: Found 2 keyboards for the locale: en_US
Apr 18 10:15:46 localhost Setup Assistant[182]: -[HiCloudWindowController _showFirstPane]
Apr 18 10:15:46 localhost Setup Assistant[182]: Admin Auth : All clear.
Apr 18 10:16:01 localhost Setup Assistant[182]: IntlSetValue(0, "AppleDateResID", 0) returned 0
Apr 18 10:16:01 localhost Setup Assistant[182]: IntlSetValue(0, "AppleTimeResID", 0) returned 0
Apr 18 10:16:01 localhost Setup Assistant[182]: IntlSetValue(0, "AppleNumberResID", 0) returned 0
Apr 18 10:16:01 localhost Setup Assistant[182]: User has chosen US set locale to: en_US. result=(en,US)
Apr 18 10:16:01 localhost Setup Assistant[182]: NSLocale: US
Apr 18 10:16:01 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- CountryController
Apr 18 10:16:01 localhost Setup Assistant[182]: Current Iso LC = en, en
Apr 18 10:16:01 --- last message repeated 1 time ---
Apr 18 10:16:01 localhost Setup Assistant[182]: Found 2 keyboards for the locale: en_US
Apr 18 10:16:11 localhost Setup Assistant[182]: Keyboards: Current Input Source <TSMInputSource 0x7fe5b489d9a0> KB Layout: U.S. (id=0)
Apr 18 10:16:11 localhost Setup Assistant[182]: Keyboards: Current source is layout, ASCII capable
Apr 18 10:16:11 localhost Setup Assistant[182]: Keyboards: Default ASCII layout: <TSMInputSource 0x7fe5b489d9a0> KB Layout: U.S. (id=0)
Apr 18 10:16:11 localhost Setup Assistant[182]: Keyboards: Current ASCII layout: <TSMInputSource 0x7fe5b489d9a0> KB Layout: U.S. (id=0)
Apr 18 10:16:11 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- SelectKeyboard
Apr 18 10:16:49 localhost Setup Assistant[182]: updated network configuration
Apr 18 10:16:50 localhost Setup Assistant[182]: CWInterface: joined `<CWNetwork: 0x7fe5b4a15b00> [ssid=Apple Store, bssid=00:27:0d:5f:af:ff, security=Open, rssi=-34, channel=<CWChannel: 0x7fe5b4a687c0> [channelNumber=40(5GHz), channelWidth={20MHz}], ibss=0]'
Apr 18 10:16:57 localhost Setup Assistant[182]: <NetworkingManager: 0x7fe5b4804aa0>: Internet is reachable after 8 seconds
Apr 18 10:16:57 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- SelectWiFiNetwork
Apr 18 10:17:03 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- MigrationWelcome
Apr 18 10:17:11 localhost Setup Assistant[182]: ServicesManager: Enabled Location Services
Apr 18 10:17:11 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- EnableCoreLocation
Apr 18 10:17:54 localhost Setup Assistant[182]: <iCloudAOSDelegate: 0x7fe5b6c14230>: -[iCloudAOSDelegate validateiCloudUsername:andPassword:error:]
Apr 18 10:17:54 localhost Setup Assistant[182]: iCloud Plugins: loaded delegate plugin com.apple.appstore from AppStore.icdplugin
Apr 18 10:17:54 localhost Setup Assistant[182]: iCloud Plugins: loaded delegate plugin com.apple.facetime from FaceTime.icdplugin
Apr 18 10:17:55 localhost Setup Assistant[182]: iCloud Plugins: loaded delegate plugin com.apple.gamecenter from GameCenter.icdplugin
Apr 18 10:17:55 localhost Setup Assistant[182]: iCloud Plugins: loaded delegate plugin com.apple.madrid from iMessage.icdplugin
Apr 18 10:17:55 localhost Setup Assistant[182]: <iCloudAOSDelegate: 0x7fe5b6c14230>: _validateNotOK:
Apr 18 10:17:55 localhost Setup Assistant[182]: iCloud: Account needs TOS/Repair
Apr 18 10:17:55 localhost Setup Assistant[182]: <iCloudLoginViewController: 0x7fe5b4e11510>: validated existing Apple ID
Apr 18 10:17:55 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- iCloudLogin
Apr 18 10:17:57 localhost Setup Assistant[182]: <iCloudAcceptTOSController: 0x7fe5b683ce60>: mbWebkitViewControllerDidFinishLoading:
Apr 18 10:18:02 localhost Setup Assistant[182]: <iCloudAcceptTOSController: 0x7fe5b683ce60>: forward clicked
Apr 18 10:18:07 localhost Setup Assistant[182]: <iCloudAcceptTOSController: 0x7fe5b683ce60>: mbWebkitViewSaveFile:content: iCloud_Terms_and_Conditions.txt (53060c)
Apr 18 10:18:07 localhost Setup Assistant[182]: BOOL MBSaveiCloudTOS(NSString *, NSData *): iCloud_Terms_and_Conditions.txt
Apr 18 10:18:07 localhost Setup Assistant[182]: <iCloudAcceptTOSController: 0x7fe5b683ce60>: mbWebkitViewSaveFile:content: Game_Center_Terms_and_Conditions.txt (20760c)
Apr 18 10:18:07 localhost Setup Assistant[182]: BOOL MBSaveiCloudTOS(NSString *, NSData *): Game_Center_Terms_and_Conditions.txt
Apr 18 10:18:07 localhost Setup Assistant[182]: <iCloudAcceptTOSController: 0x7fe5b683ce60>: mbWebkitViewControllerDidSucceed:
Apr 18 10:18:07 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- iCloudAcceptTOS
Apr 18 10:18:26 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- iCloudEnableiCloud
Apr 18 10:18:42 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- iCloudChooseMessagingAliases
Apr 18 10:18:42 localhost Setup Assistant[182]: BOOL MBSetFMMOfferedOnThisMachine(BOOL)
Apr 18 10:18:56 localhost Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- iCloudEnableFindMyMac
Apr 18 10:18:56 localhost Setup Assistant[182]: NetworkingManager: OpenDirectory: search paths: (
       "/Local/Default"
Apr 18 10:25:10 localhost Software Update[104]: SoftwareUpdateCheck(Initial): timed out waiting for login
Apr 18 10:25:17 localhost Setup Assistant[182]: Deleting network migration keychain
Apr 18 10:25:23 localhost Setup Assistant[182]: Failed to obtain system.preferences right (0) Error Domain=NSOSStatusErrorDomain Code=0 "The operation couldn’t be completed. (OSStatus error 0.)" (noErr: Call succeeded with no error)
Apr 18 10:25:23 localhost Setup Assistant[182]: User Accounts: Apple ID linked
Apr 18 10:25:23 localhost Setup Assistant[182]: Entering user context: WAC 501
Apr 18 10:25:23 localhost Setup Assistant[182]: User Accounts: Created login keychain for WAC
Apr 18 10:25:23 localhost Setup Assistant[182]: User Accounts: _CSAddAppleIDAccount Failed with error: Error Domain=CSIdentityErrorDomain Code=-100 "The operation couldn’t be completed. (CSIdentityErrorDomain error -100.)"
Apr 18 10:25:23 localhost Setup Assistant[182]: <iCloudManager: 0x7fe5b48281d0>: iCloud setup running as 501 - /Users/WAC - WAC
Apr 18 10:25:23 localhost Setup Assistant[182]: <iCloudAOSDelegate: 0x7fe5b6814780>: -[iCloudAOSDelegate signInWithUsername:andPassword:additionalDelegates:omittingDelegates:error:] *
Apr 18 10:25:23 localhost Setup Assistant[182]: <iCloudAOSDelegate: 0x7fe5b6814780>: 'uber' request: {
       delegates =     {
           "com.apple.appstore" =         {
               "drm-client" = MacAppStore;
               "drm-type" = mac;
               "drm-version" = "1.2.1";
               guid = 10DDB1A91A71;
               "user-agent" = "MacAppStore/1.2.1 (Macintosh; U; Intel Mac OS X 10.8.2; en) AppleWebKit/536.26.14";
           "com.apple.facetime" =         {
               "protocol-version" = 3;
           "com.apple.gamecenter" =         {
               "device-id" = "D587A39C-CA4A-5AD6-8330-C0A11EA62C49";
           "com.apple.madrid" =         {
               "protocol-version" = 3;
           "com.apple.mobileme" =         {
           "tos-versions" = "0,117881,0,118366,116201,117841,0,0";
Apr 18 10:25:24 localhost Setup Assistant[182]: <iCloudAOSDelegate: 0x7fe5b6814780>: _validateOK:
Apr 18 10:25:24 localhost Setup Assistant[182]: <iCloudManager: 0x7fe5b48281d0>: signIn succeeded
Apr 18 10:25:24 localhost Setup Assistant[182]: Delegate 'com.apple.madrid' will be configured with iCloud account
Apr 18 10:25:24 localhost Setup Assistant[182]: Delegate 'com.apple.gamecenter' will be configured with iCloud account
Apr 18 10:25:24 localhost Setup Assistant[182]: Delegate 'com.apple.appstore' will be configured with iCloud account
Apr 18 10:25:24 localhost Setup Assistant[182]: Delegate 'com.apple.mobileme' will be configured with iCloud account
Apr 18 10:25:24 localhost Setup Assistant[182]: Delegate 'com.apple.facetime' will be configured with iCloud account
Apr 18 10:25:25 localhost Setup Assistant[182]: Stored 16366b replay data in user keychain
Apr 18 10:25:25 localhost Setup Assistant[182]: Returned to root context
Apr 18 10:25:27 localhost Setup Assistant[182]: User Accounts: Apple ID reset enabled for
Apr 18 10:25:27 localhost Setup Assistant[182]: Setting one-time autologin user WAC
Apr 18 10:25:28 localhost Setup Assistant[182]: Entering user context: WAC 501
Apr 18 10:25:28 localhost Setup Assistant[182]: Returned to root context
Apr 18 10:25:28 Williams-MacBook-Pro.local Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- CreateUserAccount
Apr 18 10:25:28 Williams-MacBook-Pro.local Software Update[104]: SoftwareUpdateCheck(Initial): Continuing
Apr 18 10:25:28 Williams-MacBook-Pro.local Software Update[104]: SoftwareUpdateCheck: checking for updates
Apr 18 10:25:28 Williams-MacBook-Pro.local Software Update[104]: SoftwareUpdate: Scan for client pid 104 (/System/Library/CoreServices/Software Update.app/Contents/Resources/SoftwareUpdateCheck)
Apr 18 10:25:30 Williams-MacBook-Pro.local Software Update[104]: SoftwareUpdate: Using catalog https://swscan.apple.com/content/catalogs/others/index-mountainlion-lion-snowleo pard-leopard.merged-1.sucatalog.gz
Apr 18 10:25:33 Williams-MacBook-Pro.local Software Update[104]: JS: 10.8.2
Apr 18 13:25:40 Williams-MacBook-Pro.local Software Update[104]: Removing package source SUContentLocatorPackageSource from manager
Apr 18 13:25:40 Williams-MacBook-Pro.local suhelperd[247]: Acquired Lock: 200, 104, 100
Apr 18 13:25:40 Williams-MacBook-Pro.local suhelperd[247]: Releasing Lock: 200, 104, 100
Apr 18 13:25:40 Williams-MacBook-Pro.local Software Update[104]: SoftwareUpdate: elapsed scan time = 12.4
Apr 18 13:25:40 Williams-MacBook-Pro.local Software Update[104]: SoftwareUpdateCheck: scan found 0 recommended products
Apr 18 13:25:40 Williams-MacBook-Pro.local Software Update[104]: SoftwareUpdate: 0 enabled config-data product(s):  (want active updates only)
Apr 18 13:25:47 Williams-MacBook-Pro.local Setup Assistant[182]: NetworkTimeClient start : Auth Failed The operation couldn’t be completed. (OSStatus error 0.)
Apr 18 13:25:47 Williams-MacBook-Pro.local Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- SelectTimeZone
Apr 18 13:22:07 Williams-MacBook-Pro.local Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- Register
Apr 18 13:22:07 Williams-MacBook-Pro.local Setup Assistant[182]: Run compatchecker (
       "-c",
       "-T"
Apr 18 13:22:07 Williams-MacBook-Pro.local Setup Assistant[182]: compatchecker terminated with 2
Apr 18 13:22:10 Williams-MacBook-Pro.local Setup Assistant[182]: -[HiCloudWindowController _showNextPane] -- ThankYou
Apr 18 13:22:10 Williams-MacBook-Pro.local Setup Assistant[182]: Writing MBPerUserState...
Apr 18 13:22:10 Williams-MacBook-Pro.local Setup Assistant[182]: Entering user context: WAC 501
Apr 18 13:22:10 Williams-MacBook-Pro.local Setup Assistant[182]: Returned to root context
Apr 18 13:22:10 Williams-MacBook-Pro.local Setup Assistant[182]: Ran locsetup tool
Apr 18 13:22:11 Williams-MacBook-Pro.local Setup Assistant[182]: SACBeginLoginTransition
Apr 18 13:22:11 Williams-MacBook-Pro.local MiniLauncher[285]: --- MBCopyNetworkConfig ---
Apr 18 13:22:11 Williams-MacBook-Pro.local MiniLauncher[285]: IP: 10.164.19.29
Apr 18 13:22:11 Williams-MacBook-Pro.local MiniLauncher[285]: Mask: 255.255.252.0
Apr 18 13:22:11 Williams-MacBook-Pro.local MiniLauncher[285]: Router: 10.164.16.1
Apr 18 13:22:11 Williams-MacBook-Pro.local MiniLauncher[285]: DNS: 208.67.222.222
Apr 18 13:22:11 Williams-MacBook-Pro.local MiniLauncher[285]: Domain: apple.com
Apr 18 13:22:11 Williams-MacBook-Pro.local MiniLauncher[285]: Config Method: DHCP
Apr 18 13:22:12 Williams-MacBook-Pro.local MiniLauncher[285]: Ran transition tool
Apr 18 13:22:12 Williams-MacBook-Pro.local MiniLauncher[285]: Launch IncompatibleAppDisplay.app (1)
Apr 18 13:22:12 Williams-MacBook-Pro.local UserEventAgent[277]: SUNotificationPlugin[uid=501]: Start event monitoring
Apr 18 13:22:12 Williams-MacBook-Pro.local UserEventAgent[277]: SUNotificationPlugin[uid=501]: trigger on login only to notify appstoreupdateagent
Apr 18 13:22:13 Williams-MacBook-Pro.local mbicloudsetup[325]: Self destructing...
Apr 18 13:22:13 Williams-MacBook-Pro.local Software Update[305]: SUCheckService: sending result 2 to peer
Apr 18 13:22:13 Williams-MacBook-Pro.local UserEventAgent[277]: SUNotificationPlugin[uid=501]: check done with result SUCheckServiceResultUpToDate
Apr 18 13:22:13 Williams-MacBook-Pro.local UserEventAgent[277]: SUNotificationPlugin[uid=501]: Notifying appstoreupdateagent for user 501
Apr 18 13:22:13 Williams-MacBook-Pro.local UserEventAgent[277]: SUNotificationPlugin[uid=501]: appstoreupdateagent notification sent
Apr 18 13:22:13 Williams-MacBook-Pro.local Software Update[305]: SUChe
<Email Edited by Host>

Answer 1

.local indicates local activity by the computer host Williams-macbook-pro.local=hostname@domain . The UID of 501 is the standard UID of a local computer administrator.
Copy and paste this little script in your terminal:
if [ "SSH_CONNECTION ]; then
     echo I am remote
else
     echo I am local
fi
A return of "i am local" ensures there is no remote connection to your machine (through SSH).
In the future, to avoid remote entry, I would recommend not posting your IP address though.